Add Northflank sync functionality

- Implemented Northflank sync router and service functions for managing secrets.
- Added Northflank schemas and types for validation and data handling.
- Updated existing secret sync structures to include Northflank support.
- Introduced Northflank connection options in the frontend API types.

backend/src/server/routes/v1/secret-sync-routers/index.ts

@@ -23,6 +23,7 @@ import { registerHerokuSyncRouter } from "./heroku-sync-router";
 import { registerHumanitecSyncRouter } from "./humanitec-sync-router";
 import { registerLaravelForgeSyncRouter } from "./laravel-forge-sync-router";
 import { registerNetlifySyncRouter } from "./netlify-sync-router";
+import { registerNorthflankSyncRouter } from "./northflank-sync-router";
 import { registerRailwaySyncRouter } from "./railway-sync-router";
 import { registerRenderSyncRouter } from "./render-sync-router";
 import { registerSupabaseSyncRouter } from "./supabase-sync-router";
@@ -64,6 +65,7 @@ export const SECRET_SYNC_REGISTER_ROUTER_MAP: Record<SecretSync, (server: Fastif
   [SecretSync.Checkly]: registerChecklySyncRouter,
   [SecretSync.DigitalOceanAppPlatform]: registerDigitalOceanAppPlatformSyncRouter,
   [SecretSync.Netlify]: registerNetlifySyncRouter,
+  [SecretSync.Northflank]: registerNorthflankSyncRouter,
   [SecretSync.Bitbucket]: registerBitbucketSyncRouter,
   [SecretSync.LaravelForge]: registerLaravelForgeSyncRouter
 };

backend/src/server/routes/v1/secret-sync-routers/northflank-sync-router.ts

@@ -0,0 +1,17 @@
+import {
+  CreateNorthflankSyncSchema,
+  NorthflankSyncSchema,
+  UpdateNorthflankSyncSchema
+} from "@app/services/secret-sync/northflank";
+import { SecretSync } from "@app/services/secret-sync/secret-sync-enums";
+
+import { registerSyncSecretsEndpoints } from "./secret-sync-endpoints";
+
+export const registerNorthflankSyncRouter = async (server: FastifyZodProvider) =>
+  registerSyncSecretsEndpoints({
+    destination: SecretSync.Northflank,
+    server,
+    responseSchema: NorthflankSyncSchema,
+    createSchema: CreateNorthflankSyncSchema,
+    updateSchema: UpdateNorthflankSyncSchema
+  });

backend/src/server/routes/v1/secret-sync-routers/secret-sync-router.ts

@@ -46,6 +46,7 @@ import { HerokuSyncListItemSchema, HerokuSyncSchema } from "@app/services/secret
 import { HumanitecSyncListItemSchema, HumanitecSyncSchema } from "@app/services/secret-sync/humanitec";
 import { LaravelForgeSyncListItemSchema, LaravelForgeSyncSchema } from "@app/services/secret-sync/laravel-forge";
 import { NetlifySyncListItemSchema, NetlifySyncSchema } from "@app/services/secret-sync/netlify";
+import { NorthflankSyncListItemSchema, NorthflankSyncSchema } from "@app/services/secret-sync/northflank";
 import { RailwaySyncListItemSchema, RailwaySyncSchema } from "@app/services/secret-sync/railway/railway-sync-schemas";
 import { RenderSyncListItemSchema, RenderSyncSchema } from "@app/services/secret-sync/render/render-sync-schemas";
 import { SupabaseSyncListItemSchema, SupabaseSyncSchema } from "@app/services/secret-sync/supabase";
@@ -85,6 +86,7 @@ const SecretSyncSchema = z.discriminatedUnion("destination", [
   ChecklySyncSchema,
   DigitalOceanAppPlatformSyncSchema,
   NetlifySyncSchema,
+  NorthflankSyncSchema,
   BitbucketSyncSchema,
   LaravelForgeSyncSchema
 ]);
@@ -119,6 +121,7 @@ const SecretSyncOptionsSchema = z.discriminatedUnion("destination", [
   ChecklySyncListItemSchema,
   SupabaseSyncListItemSchema,
   NetlifySyncListItemSchema,
+  NorthflankSyncListItemSchema,
   BitbucketSyncListItemSchema,
   LaravelForgeSyncListItemSchema
 ]);