Add self-hosted Forgejo link, make it prominent in nav and first social icon

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

hugo.toml

@@ -22,6 +22,10 @@ theme = "PaperMod"
     Title = "Hi, I'm Sander"
     Content = "Software engineer writing about Rust, Java, systems programming, and whatever else I find interesting."
 
+  [[params.socialIcons]]
+    name = "forgejo"
+    url = "https://git.sanderhautvast.nl"
+
   [[params.socialIcons]]
     name = "github"
     url = "https://github.com/shautvast"
@@ -31,6 +35,11 @@ theme = "PaperMod"
     url = "https://codeberg.org/shautvast"
 
 [menu]
+  [[menu.main]]
+    identifier = "git"
+    name = "My Git"
+    url = "https://git.sanderhautvast.nl"
+    weight = 5
   [[menu.main]]
     identifier = "posts"
     name = "Posts"