docs: improve readme and other guide

guide/changing-env-configuration.md

@@ -7,8 +7,8 @@
 
     <img alt="Setup" src="https://usercontent.catto.pictures/hirzi/b8645828-591d-4d52-b6d8-51f8df60440c.png" width="300"/>
 
-    - [Getting an Panel API key](https://github.com/HirziDevs/PteroStats/blob/main/guide/getting-panel-api-key.md)
-    - [Getting a Channel ID](https://github.com/HirziDevs/PteroStats/blob/main/guide/getting-channel-id.md)
+    - [Getting an Panel API key](https://github.com/HirziDevs/PteroStats/blob/main/guide/panel-api-key.md)
+    - [Getting a Channel ID](https://github.com/HirziDevs/PteroStats/blob/main/guide/channel-id.md)
 
 3. Run `node index.js` if you want to start the app/bot again, and you're done!
 

guide/channel-id.md

@@ -1,4 +1,4 @@
-## Getting Channel ID
+## Channel ID
 1. Enable Developer Mode in your Discord settings.
 
     <img alt="Discord User Settings" src="https://usercontent.catto.pictures/hirzi/36894499-b141-488f-98ed-40245c8f6862.png" width="400"/>

guide/custom-emoji.md

@@ -1,4 +1,4 @@
-## Using Custom Emoji
+## Custom Emoji
 1. Type `\` in the server that has the custom emoji you want.
 
     <img alt="Type \ on the chat" src="https://usercontent.catto.pictures/hirzi/2e3c821f-92f9-4b5c-863a-e020b2fbc426.png" width="350"/>

guide/panel-api-key.md

@@ -1,4 +1,4 @@
-## Getting Panel API Key 
+## Panel API Key 
 > [!WARNING]
 > The use of Application API keys is **deprecated**; you should use **Client API keys**.