ui: hook up relay management view

Signed-off-by: William Casarin <jb55@jb55.com>

src/app.rs

@@ -973,7 +973,9 @@ fn timelines_view(ui: &mut egui::Ui, sizes: Size, app: &mut Damus, columns: usiz
                     columns[0].router_mut()
                 };
 
-                DesktopSidePanel::perform_action(router, side_panel.action);
+                if side_panel.response.clicked() {
+                    DesktopSidePanel::perform_action(router, side_panel.action);
+                }
 
                 // vertical sidebar line
                 ui.painter().vline(

src/route.rs

@@ -27,6 +27,10 @@ impl Route {
         }
     }
 
+    pub fn relays() -> Self {
+        Route::Relays
+    }
+
     pub fn thread(thread_root: NoteId) -> Self {
         Route::Timeline(TimelineRoute::Thread(thread_root))
     }

src/ui/side_panel.rs

@@ -101,7 +101,14 @@ impl<'a> DesktopSidePanel<'a> {
                     router.route_to(Route::accounts());
                 }
             }
-            SidePanelAction::Settings => {} // TODO
+            SidePanelAction::Settings => {
+                if router.routes().iter().any(|&r| r == Route::Relays) {
+                    // return if we are already routing to accounts
+                    router.go_back();
+                } else {
+                    router.route_to(Route::relays());
+                }
+            }
             SidePanelAction::Columns => (), // TODO
         }
     }