Making a proposal for readability (#182)

I am making this pull request to help the readability of this document.

Please see the attached screenshots for before and after.

**Before**


![image](https://github.com/BasedHardware/Friend/assets/1120465/e5a2a0fa-e64d-4123-b333-6f340891c2ae)

**After**


![image](https://github.com/BasedHardware/Friend/assets/1120465/fc7e5a42-f653-4f42-8f03-d75c58d377f4)

I have tested locally to ensure that there are no breaking changes to
the page.

docs/_get_started/Setup.md

@@ -11,18 +11,18 @@ Follow these steps to get started with your Friend.
 ### Install the app
 
 1. Clone the repo `git clone https://github.com/BasedHardware/friend.git`
-2. Choose which version of the app you want to install (see Structure).
-   - Don't have the device? run `cd apps/AppStandalone` in terminal
-   - Have the device/NRF Board? run `cd apps/AppWithWearable` in terminal
+2. Choose which version of the app you want to install (see Structure):
+   - Don't have the device? Run `cd apps/AppStandalone` in terminal.
+   - Have the device/NRF Board? Run `cd apps/AppWithWearable` in terminal.
 3. Install [Flutter](https://docs.flutter.dev/get-started/install/macos/mobile-ios?tab=download) and [CocoaPods](https://guides.cocoapods.org/using/getting-started.html)
-4. Install your environment variables
-   - For AppStandalone, update variables in in .env.template file
-   - For AppWithWearable, you can set the api keys needed on the mobile App from the settings page itself
-
-6. iOS: [Install XCode](https://apps.apple.com/us/app/xcode/id497799835?mt=12) then navigate to the iOS folder. You might need to launch Xcode to select a team and specify a bundle identifier.
-   Android: Download/install [android Studio ](https://developer.android.com/studio) then navigate to the Android folder
-   Don't run in web/simulator: Bluetooth will not work
-7. Run `flutter clean ` then `flutter pub get` then `pod install`
-8. When everything is installed, run `flutter run `, this should run your app on a selected device
+4. Install your environment variables:
+   - For **AppStandalone**, update variables in in .env.template file
+   - For **AppWithWearable**, you can set the api keys needed on the mobile App from the settings page itself
+5. Build targets:
+   - iOS: Download/install [XCode](https://apps.apple.com/us/app/xcode/id497799835?mt=12) then navigate to the iOS folder. You might need to launch Xcode to select a team and specify a bundle identifier.
+   - Android: Download/install [Android Studio](https://developer.android.com/studio) then navigate to the Android folder.
+   - Web/Simulator: Do not run in the web/simulator as Bluetooth will not work.
+6. Run `flutter clean ` then `flutter pub get` then `pod install`.
+7. When everything is installed, run `flutter run `, this should run your app on the selected device (iOS or Android).
 
 [Next Step: Buying Guide →](https://basedhardware.github.io/Friend/assembly/Buying_Guide/){: .btn .btn-purple }