Add alternate source repository links

README.md

@@ -15,4 +15,20 @@ To add a live project link, add `siteUrl` to any project in `projects.js`:
 siteUrl: "https://seanstarkey.dev/Hallowdeep/"
 ```
 
+To link a project to a self-hosted git repository, add `gitUrl`:
+
+```js
+gitUrl: "https://git.seanstarkey.dev/Hallowdeep"
+```
+
+Projects can keep their existing `url` GitHub link, use only `gitUrl`, or include both.
+
+To link a project to SourceForge, add `sourceforgeUrl`:
+
+```js
+sourceforgeUrl: "https://sourceforge.net/projects/project-name/"
+```
+
+SourceForge projects can also omit `url` if there is no GitHub mirror.
+
 Open `index.html` directly in a browser or deploy the whole directory to any static host.