feat: relocate dashboard to /app and update related links

src/index.ts

@@ -15,7 +15,7 @@ app.use("*", prettyJSON());
 app.route("/auth", authRoutes);
 app.route("/api/config", configRoutes);
 app.route("/api", apiRoutes);
-app.route("/dashboard", dashboardRoutes);
+app.route("/app", dashboardRoutes);
 
 app.notFound((c) => {
 	console.error(`[404 Not Found] ${c.req.method} ${c.req.url}`);

src/routes/auth.ts

@@ -84,7 +84,7 @@ authRoutes.get("/callback", async (c) => {
 						<h2 class="card-title text-2xl font-bold">Authenticated!</h2>
 						<p class="opacity-70 mt-2">Successfully connected to <strong>${providerName}</strong>.</p>
 						<div class="card-actions mt-6">
-							<a href="/dashboard" class="btn btn-primary">Go to Dashboard</a>
+							<a href="/app" class="btn btn-primary">Go to Dashboard</a>
 						</div>
 					</div>
 				</div>