chore(readme): fix fmt, structure and grammer

subjects/groupie-tracker/README.md

@@ -2,30 +2,30 @@
 
 ### Objectives
 
-Groupie Trackers consists of receiving a given API and manipulating the data contained in it, in order to create a site, displaying the information.
+Groupie Trackers consists of receiving a given API and manipulating the data contained in it in order to create a website displaying the information.
 
-- It will be given an [API](https://groupietrackers.herokuapp.com/api), that consists in four parts:
+- You will be given an [API](https://groupietrackers.herokuapp.com/api), that is made up of four parts:
 
-  - `artists`: Contains information about some bands and artists like their name(s), image, in which year they began their activity, the date of their first album and the members.
+  1. `artists`: Contains information about some bands and artists like their name(s), image, in which year they began their activity, the date of their first album and the members.
 
-  - `locations`: Contains their last and/or upcoming concert locations.
+  2. `locations`: Contains their last and/or upcoming concert locations.
 
-  - `dates`: Contains their last and/or upcoming concert dates.
+  3. `dates`: Contains their last and/or upcoming concert dates.
 
-  - `relation`: Links the data of all the other parts, `artists`, `dates` and `locations`.
+  4. `relation`: Links the data of all the other parts, `artists`, `dates` and `locations`.
 
-- Given all this you should build a user friendly website where you can display the bands info through several data visualizations (examples : blocks, cards, tables, list, pages, graphics, etc). It is up to you to decide how you will display it.
+- Given all this, you should build a user-friendly website where you can display the band's info through several data visualizations (examples : blocks, cards, tables, lists, pages, graphics, etc). It is up to you to decide how you will display it.
 
-- This project also focuses on the creation of events/actions and on their visualization.
+- This project also focuses on the creation and visualization of events/actions.
 
-  - The event/action you need to implement is a client call to the server (client-server). We can say it is a feature of your choice that needs to trigger an action. This action must communicate with the server in order to receive information, ([request-response])(https://en.wikipedia.org/wiki/Request%E2%80%93response)
-  - An event consists in a system that responds to some kind of action triggered by the client, time, or any other factor.
+  - The event/action you need to implement is a client call to the server (client-server). We can say that it is a feature of your choice that needs to trigger an action. This action necessitates communication with the server in order to receive information ([request-response](https://en.wikipedia.org/wiki/Request%E2%80%93response)).
+  - An event consists of a system that responds to some kind of action triggered by the client, time, or any other factor.
 
 ### Instructions
 
 - The backend must be written in **Go**.
-- The site and server cannot crash at any time.
-- All pages must work correctly and you must take care of any errors.
+- The website and server cannot crash at any time.
+- All the pages must work correctly, and you must take care of any errors.
 - The code must respect the [**good practices**](../good-practices/README.md).
 - It is recommended to have **test files** for [unit testing](https://go.dev/doc/tutorial/add-a-test).
 
@@ -37,10 +37,10 @@ Groupie Trackers consists of receiving a given API and manipulating the data con
 
 - You can see an example of a RESTful API [here](https://rickandmortyapi.com/)
 
-This project will help you learn about :
+This project will help you learn about:
 
 - Manipulation and storage of data.
 - [JSON](https://www.json.org/json-en.html) files and format.
 - HTML.
-- Event creation and display.
+- Event creation and visualization.
 - [Client-server](https://developer.mozilla.org/en-US/docs/Learn/Server-side/First_steps/Client-Server_overview).