Support Forgejo servers

crates/app/src/lib.rs

@@ -21,6 +21,21 @@ pub enum RepositoryPane {
     Milestones,
 }
 
+#[derive(Clone, Copy, Debug, uniffi::Enum)]
+pub enum ServerProvider {
+    Gitea,
+    Forgejo,
+}
+
+impl From<ServerProvider> for gotcha_gitea::Provider {
+    fn from(provider: ServerProvider) -> Self {
+        match provider {
+            ServerProvider::Gitea => Self::Gitea,
+            ServerProvider::Forgejo => Self::Forgejo,
+        }
+    }
+}
+
 impl RepositoryPane {
     const ALL: [Self; 3] = [Self::Issues, Self::Commits, Self::Milestones];