feat(ui): add Projects Overview link and button to sidebar and dashboard

- Introduced a new Projects Overview link in the sidebar footer for easy navigation.
- Added a button for Projects Overview in the dashboard view, enhancing accessibility to project insights.
- Updated types to include project overview-related definitions, supporting the new features.

apps/ui/src/routes/overview.tsx

@@ -0,0 +1,6 @@
+import { createFileRoute } from '@tanstack/react-router';
+import { OverviewView } from '@/components/views/overview-view';
+
+export const Route = createFileRoute('/overview')({
+  component: OverviewView,
+});