Update 'Home'

Home.md

@@ -50,6 +50,26 @@ fish: ```/usr/share/fish/vendor_completions.d/gospt.fish```
 
 bash: ```/usr/share/bash-completions/completions/gospt```
 
+# Configuration
+go here https://developer.spotify.com/dashboard/applications to make a spotify application. you will need a client ID and a client secret. Set your redirect uri like this:
+
+```http://localhost:8888/callback```
+
+add your information to ~/.config/gospt/client.yml like this
+
+```
+client_id: "idgoeshere"
+client_secret: "secretgoeshere"
+port: "8888"
+```
+if you dont want to store your secret in the file in plaintext you can use a command to retreive it:
+
+```
+client_secret_cmd: "secret spotify_secret"
+```
+
+you should have either client_secret or client_secret_cmd
+
 # Usage
 
 ## TUI