Add usage section

README.md

@@ -15,6 +15,7 @@ An alternative frontend for Imgur. Originally based on [rimgu](https://codeberg.
 - [Comparison](#comparison)
   - [Speed](#speed)
   - [Privacy](#privacy)
+- [Usage](#usage)
 - [Instances](#instances)
   - [Clearnet](#clearnet)
   - [Tor](#tor)
@@ -57,6 +58,12 @@ Imgur collects information about your device and uses tracking cookies for adver
 
 See what cookies and trackers Imgur uses and where your data gets sent: https://themarkup.org/blacklight?url=imgur.com
 
+## Usage
+Replace imgur.com or i.imgur.com with the instance domain. For i.stack.imgur.com, replace i.stack.imgur.com with the instance domain and add stack/ before the media ID. You can use a browser extension to do this [automatically](#automatically-redirect-links).
+
+Imgur: `https://imgur.com/gallery/j2sOQkJ` -> `https://rimgo.bcow.xyz/gallery/j2sOQkJ`
+Stack Overflow: `https://i.stack.imgur.com/KnO3v.jpg?s=64&g=1` -> `https://rimgo.bcow.xyz/stack/KnO3v.jpg?s=64&g=1`
+
 ## Instances
 Open an issue to have your instance listed here!
 

views/frontpage.hbs

@@ -68,7 +68,7 @@
 
     <br> 
     <h2>Usage</h2>
-    <p>Just replace imgur.com or i.imgur.com with <code>{{domain}}</code>. You can setup automatic redirects using <a href="https://github.com/libredirect/libredirect" rel="nofollow noreferrer">LibRedirect</a> (recommended) or <a href="https://github.com/einaregilsson/Redirector" rel="nofollow noreferrer">Redirector</a>.</p>
+    <p>Just replace imgur.com or i.imgur.com with <code>{{domain}}</code> (add stack/ before the media ID for i.stack.imgur.com). You can setup automatic redirects using <a href="https://github.com/libredirect/libredirect" rel="nofollow noreferrer">LibRedirect</a> (recommended) or <a href="https://github.com/einaregilsson/Redirector" rel="nofollow noreferrer">Redirector</a>.</p>
 
     <br>
     {{#if force_webp}}