feat(userbot): add Kubernetes control panel

Manage Telegram instances through Kubernetes with legacy adoption for forust and anna. Build and deploy the panel image alongside the runtime.

userbot/panel/frontend/vitest.config.ts

@@ -0,0 +1,8 @@
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  test: {
+    environment: "jsdom",
+    setupFiles: ["./src/test/setup.ts"],
+  },
+});