Update repo name and URL in CONTRIBUTING docs (home-assistant#2210)

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## Summary
<!-- Provide a brief summary of the changes you have made and most
importantly what they aim to achieve -->
This clarifies in the contributing docs which project is being
contributed to and which repo to work against - previously it said just
"Home Assistant" which could be confusing.

This also updates the repo URL in the contributing docs and at the same
time several code comments that also used the older repo URL.

## Screenshots
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screenshots in light and dark mode. -->

## Link to pull request in Documentation repository
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corresponding pull request in the Companion App Documentation repository
(https://github.com/home-assistant/companion.home-assistant). Please add
the number of this pull request after the "#" -->
Documentation: home-assistant/companion.home-assistant#

## Any other notes
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Author: davidjb

CONTRIBUTING.md

@@ -1,10 +1,10 @@
-# Contributing to Home Assistant
+# Contributing to Home Assistant for Apple Platforms
 
  - Read [How to get faster PR reviews](https://github.com/kubernetes/community/blob/master/contributors/guide/pull-requests.md#best-practices-for-faster-reviews) by Kubernetes (but skip step 0)
- - Fork the Home Assistant [git repository](https://github.com/home-assistant/home-assistant-iOS).
+ - Fork the Home Assistant iOS [git repository](https://github.com/home-assistant/iOS).
  - Write the code.
  - Ensure tests work.
- - Create a Pull Request against the [**master**](https://github.com/home-assistant/home-assistant-iOS/tree/master) branch of Home Assistant.
+ - Create a Pull Request against the [**master**](https://github.com/home-assistant/iOS/tree/master) branch of Home Assistant iOS.
 - **Translations** are handled by [lokalise.com](https://lokalise.com/public/834452985a05254348aee2.46389241/), we are always looking to add more translations and complete the ones we already have. If you would like to contribute to the translation of the app, please visit [lokalise.com](https://lokalise.com/public/834452985a05254348aee2.46389241/) and join the team.
 
 ## Learn Swift

Sources/App/ZoneManager/ZoneManagerProcessor.swift

@@ -166,7 +166,7 @@ class ZoneManagerProcessorImpl: ZoneManagerProcessor {
         if let current = Current.connectivity.currentWiFiSSID(), zone.SSIDFilter.contains(current) {
             // If current SSID is in the filter list stop processing region event.
             // This is to cut down on false exits.
-            // https://github.com/home-assistant/home-assistant-iOS/issues/32
+            // https://github.com/home-assistant/iOS/issues/32
             return ignore(.ignoredSSID(current))
         }
 

Sources/Shared/API/Models/WebhookUpdateLocation.swift

@@ -71,7 +71,7 @@ public struct WebhookUpdateLocation: ImmutableMappable {
             }
 
             #if os(iOS)
-            // https://github.com/home-assistant/home-assistant-iOS/issues/32
+            // https://github.com/home-assistant/iOS/issues/32
             if let currentSSID = Current.connectivity.currentWiFiSSID(), zone.SSIDTrigger.contains(currentSSID) {
                 self.location = zone.center
                 self.locationName = zone.Name