Add a new app: QR code generator for campaign (#75)

* Initialize a new NX project - QR campaign

* Develop QR code generator app for campaign

* Add deployment script

Add Dockerfile, docker compose, and update Nix config for deployment

* Revert package.json to fix ci

* Revert package-lock.json to ensure ci (Nix build & cache) successful

nx.json

@@ -53,6 +53,13 @@
       "options": {
         "targetName": "e2e"
       }
+    },
+    {
+      "plugin": "@nx/vitest",
+      "options": {
+        "testTargetName": "vitest:test",
+        "ciTargetName": "test-ci"
+      }
     }
   ],
   "generators": {