docs: update changelog formatting for consistency and clarity

Author: dido18

CHANGELOG.md

@@ -8,60 +8,60 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/)
 
 ### Added
 
-- Improve the help message of `arduino-app-cli` (https://github.com/arduino/arduino-app-cli/pull/61)[#61]
-- Add `arduino-avahi-serial.service` systemd service that runs once to add the `serial_number` to the avahi daemon (https://github.com/arduino/arduino-app-cli/pull/48)[#48]
-- Add the `daemon_version` field to the `arduino-app-cli version` command (https://github.com/arduino/arduino-app-cli/pull/49)[#49]
-- Add `arduino-app-cli app clean-cache <app-id>` command (https://github.com/arduino/arduino-app-cli/pull/59)[#59]
-- pkg/board/board: expose the `serial_number` in network mode (https://github.com/arduino/arduino-app-cli/pull/63)[#63]
-- pkg/board/remote/adb: return `failed to create command` error when `GetCmd` fails (https://github.com/arduino/arduino-app-cli/pull/79)[#79]
-- Update `arduino-cli` dependencies (https://github.com/arduino/arduino-app-cli/pull/86)[#86]
-- Add `code` field with `NO_INTERNET_CONNECTION`, `OPERATION_IN_PROGRESS` and `UNKNOWN_ERROR` values in the update handlers and CLI (https://github.com/arduino/arduino-app-cli/pull/62)[#62]
-- Refactor README.md and contribution guidelines (https://github.com/arduino/arduino-app-cli/pull/58)[#58]
-- Return detailed `error running needrestart command` error information during updates (https://github.com/arduino/arduino-app-cli/pull/95)[#95]
+- Improve the help message of `arduino-app-cli` [#61](https://github.com/arduino/arduino-app-cli/pull/61)
+- Add `arduino-avahi-serial.service` systemd service that runs once to add the `serial_number` to the avahi daemon [#48](https://github.com/arduino/arduino-app-cli/pull/48)
+- Add the `daemon_version` field to the `arduino-app-cli version` command [#49](https://github.com/arduino/arduino-app-cli/pull/49)
+- Add `arduino-app-cli app clean-cache <app-id>` command [#59](https://github.com/arduino/arduino-app-cli/pull/59)
+- pkg/board/board: expose the `serial_number` in network mode [#63](https://github.com/arduino/arduino-app-cli/pull/63)
+- pkg/board/remote/adb: return `failed to create command` error when `GetCmd` fails [#79](https://github.com/arduino/arduino-app-cli/pull/79)
+- Update `arduino-cli` dependencies [#86](https://github.com/arduino/arduino-app-cli/pull/86)
+- Add `code` field with `NO_INTERNET_CONNECTION`, `OPERATION_IN_PROGRESS` and `UNKNOWN_ERROR` values in the update handlers and CLI [#62](https://github.com/arduino/arduino-app-cl)pull/62]]
+- Refactor README.md and contribution guidelines [#58](https://github.com/arduino/arduino-app-cli/pull/58)
+- Return detailed `error running needrestart command` error information during updates [#95](https://github.com/arduino/arduino-app-cli/pull/95)
 
 ### Removed
 
-- Remove `arduino-app-cli app ps` command (https://github.com/arduino/arduino-app-cli/pull/65)[#65]
+- Remove `arduino-app-cli app ps` command [#65](https://github.com/arduino/arduino-app-cli/pull/65)
 
 ### Fixed
 
-- pkg/board/remote/adb: fix zombie process in adb that resulted in `fork failed: resource temporarily unavailable` error (https://github.com/arduino/arduino-app-cli/pull/81)[#81]
-- Check if the app is running/starting before stopping it in `arduino-app-cli app stop` and `DELETE /v1/apps/{appID}` (https://github.com/arduino/arduino-app-cli/pull/84)[#84]
-- Allow missing required variables when adding a brick (https://github.com/arduino/arduino-app-cli/pull/74)[#74]
+- pkg/board/remote/adb: fix zombie process in adb that resulted in `fork failed: resource temporarily unavailable` error [#81](https://github.com/arduino/arduino-app-cli/pull/81)
+- Check if the app is running/starting before stopping it in `arduino-app-cli app stop` and `DELETE /v1/apps/{appID}` [#84](https://github.com/arduino/arduino-app-cli/pull/84)
+- Allow missing required variables when adding a brick [#74](https://github.com/arduino/arduino-app-cli/pull/74)
 
 ## [0.6.7] - 2025-11-10
 
 ### Added
 
-- Flash sketch in ram (https://github.com/arduino/arduino-app-cli/pull/12)[#12]
-- Return `config_variables` field in `/apps/:id/bricks` and `apps/:id/bricks/:id` (https://github.com/arduino/arduino-app-cli/pull/18)[#18]
-- Add brick details completions (https://github.com/arduino/arduino-app-cli/pull/54)[#54]
+- Flash sketch in ram [#12](https://github.com/arduino/arduino-app-cli/pull/12)
+- Return `config_variables` field in `/apps/:id/bricks` and `apps/:id/bricks/:id` [#18](https://github.com/arduino/arduino-app-cli/pull/18)
+- Add brick details completions [#54](https://github.com/arduino/arduino-app-cli/pull/54)
 
 ### Fixed
 
-- Install libraries missing from local library-index (https://github.com/arduino/arduino-app-cli/pull/50)[#50]
-- Remove the `variable default value cannot be empty` error when adding a brick to an app (https://github.com/arduino/arduino-app-cli/pull/44)[#44]
+- Install libraries missing from local library-index [#50](https://github.com/arduino/arduino-app-cli/pull/50)
+- Remove the `variable default value cannot be empty` error when adding a brick to an app [#44](https://github.com/arduino/arduino-app-cli/pull/44)
 
 ## [0.6.6] - 2025-11-03
 
 ### Added
 
-- Improve `arduino-app-cli restart` command (https://github.com/arduino/arduino-app-cli/pull/37)[#37]
-- Return adb stdout/err in case of error (https://github.com/arduino/arduino-app-cli/pull/40)[#40]
-- Add `used_by_apps` field to the `GET /v1/bricks/{brickID}` (https://github.com/arduino/arduino-app-cli/pull/30)[#30]
+- Improve `arduino-app-cli restart` command [#37](https://github.com/arduino/arduino-app-cli/pull/37)
+- Return adb stdout/err in case of error [#40](https://github.com/arduino/arduino-app-cli/pull/40)
+- Add `used_by_apps` field to the `GET /v1/bricks/{brickID}` [#30](https://github.com/arduino/arduino-app-cli/pull/30)
 
 ### Fixed
 
-- Fix websocket origin validation (fixes serial monitor on Windows) (https://github.com/arduino/arduino-app-cli/pull/39)[#39]
-- Use a valid origin in `GET /v1/monitor/ws` (https://github.com/arduino/arduino-app-cli/pull/41)[#41]
-- Remove `Requires` from the systemd `arduino-app-cli.service` (https://github.com/arduino/arduino-app-cli/pull/34)[#34]
+- Fix websocket origin validation (fixes serial monitor on Windows) [#39](https://github.com/arduino/arduino-app-cli/pull/39)
+- Use a valid origin in `GET /v1/monitor/ws` [#41](https://github.com/arduino/arduino-app-cli/pull/41)
+- Remove `Requires` from the systemd `arduino-app-cli.service` [#34](https://github.com/arduino/arduino-app-cli/pull/34)
 
 ## [0.6.5] - 2025-10-27
 
 ### Removed
 
-- Remove the `arduino-app-cli board` sub-command (https://github.com/arduino/arduino-app-cli/pull/27)[#27]
-- Remove the internal zephyr core (https://github.com/arduino/arduino-app-cli/pull/28)[#28]
+- Remove the `arduino-app-cli board` sub-command [#27](https://github.com/arduino/arduino-app-cli/pull/27)
+- Remove the internal zephyr core [#28](https://github.com/arduino/arduino-app-cli/pull/28)
 
 ## [0.6.3] - 2025-10-27 [YANKED]