Made README.md

README.md

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+# Short about this app:
+* It's a very easy to use, flexible naming customisation and protability app. \
+* It provides the user to make multiple "User Folders" which will store the spotify user data so you don't have to login again when wanting to switch accounts!
+
+---
+
+Platforms supported:
+Platforms:
+- Windows
+- Linux
+- MacOS (called darwin)
+
+Architectures:
+- AMD64 : for a cpu of 64 bit
+- 386 : for a cpu of 32/86 bit
+- ARM : for cpu of type arm
+- ARM64 : for cpu of type arm64
+
+---
+
+How to download released archive:
+1. Go to releases
+2. Choose your version
+3. Download the archive with the platform-architecture name from the chapters above
+4. De-archive/Extract the contents in a folder where you want your "Spotify Account Switcher" app to be
+
+How to use the app:
+There are two parts of the program:
+1. Main
+2. Switch
+- The main one, run it and it will:
+  - create a folder called "New User"
+  - copy the contents of the folder called Source into the new user folder
+  - copy the "prefs" file from the spotify directory (this is the file that actually stores your profile data)
+- The switch one, run it and it will:
+  - copy or overide the "prefs" file from the spotify directory with the one inside your user folder
+
+Customisation:
+- This app is flexible for naming but robust for the actual structure
+- Naming :
+   - You can change the name of the folder newly create by the main executable to anything you want!
+- Portability :
+ - After you create a user folder you can move it anywhere you want!
+
+---
+
+How it all works:
+1. The main executable
+- creates a folder if it doesn't exist already called "New User"
+- copy the switch executable from the source folder into the new user folder
+- copy the prefs file from the spotify directory into your new user folder
+2. How the app finds the prefs file:
+ - based on the OS (operating system) it expands/goes to a directory through enviroment variables of the system or simply the path
+3. The switch executable:
+   - copies the prefs file within the directory of the switch executable and copies or overides the one from the spotify directory.