feat(config-revisions): implement configuration history for Firewall, GRE, and WireGuard

- Added configuration history management for Firewall, GRE, and WireGuard pages, enabling users to view and restore previous configurations.
- Introduced new components for displaying configuration history and integrated them into the respective pages.
- Enhanced API routes to support fetching and restoring configuration revisions, ensuring data consistency across the application.
- Updated state management to handle loading and restoring states effectively, improving user experience during data operations.
- Enhanced tests to cover new functionalities and ensure reliability.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/src/index.ts

@@ -32,6 +32,7 @@ import wireguardRoutes from "./routes/wireguard.js"
 import vxlanRoutes from "./routes/vxlan.js"
 import containersRoutes from "./routes/containers.js"
 import firewallRoutes from "./routes/firewall.js"
+import greRoutes from "./routes/gre.js"
 import usersRoutes from "./routes/users.js"
 import statisticsRoutes from "./routes/statistics.js"
 import { refreshScheduler, stopScheduler } from "./services/scheduler.js"
@@ -139,6 +140,7 @@ export async function buildApp(opts?: {
   await app.register(vxlanRoutes, { prefix: "/api" })
   await app.register(containersRoutes, { prefix: "/api" })
   await app.register(firewallRoutes, { prefix: "/api" })
+  await app.register(greRoutes, { prefix: "/api" })
   await app.register(usersRoutes, { prefix: "/api" })
   await app.register(statisticsRoutes, { prefix: "/api" })