Profile + Edit Bio + Logout + styling

- Added handler for editing bio to handlers.js
- Added openProfile() and closeProfile() buttons in AppWindowContainer (Profile page is global)
- Added Logout and Profile functionality to Sidebar.js
  - SidebarItem(text).onClick() fires twice, unable to resolve
- Adjust Login page styling
- Added onLogout() to index.js (removes auth_token)
- Added Profile.js, displays user's profile picture (placeholder), name, and bio. User can edit bio.
- Added removeAuthToken() to util.js
- Added /signout to vite config

src/components/AppWindowContainer.js

@@ -1,6 +1,9 @@
 import "./AppWindow.js"
+import "../Profile/Profile.js"
 
 class AppWindowContainer extends Shadow {
+    isProfileOpen = false
+
     render() {
         ZStack(() => {
 
@@ -11,12 +14,26 @@ class AppWindowContainer extends Shadow {
             })
             .width(100, pct)
             .gap(0)
+
+            if (this.isProfileOpen) {
+                Profile()
+            }
         })
         .height(100, pct)
         .overflowY("hidden")
         .display("flex")
         .position("relative")
     }
+
+    openProfile() {
+        this.isProfileOpen = true
+        this.rerender()
+    }
+
+    closeProfile() {
+        this.isProfileOpen = false
+        this.rerender()
+    }
 }
 
 register(AppWindowContainer)