feat/FRO-36: PWA (#25)

Added a PWA for knockoutwhist including a special offline screen.

Co-authored-by: LQ63 <lkhermann@web.de>
Reviewed-on: #25
Reviewed-by: Janis <janis-e@gmx.de>
Co-authored-by: lq64 <lq@blackhole.local>
Co-committed-by: lq64 <lq@blackhole.local>

package.json

@@ -2,18 +2,14 @@
   "name": "knockoutwhistfrontend",
   "version": "0.0.0",
   "private": true,
-  "type": "module",
-  "engines": {
-    "node": "^20.19.0 || >=22.12.0"
-  },
   "scripts": {
-    "dev": "vite",
     "build": "run-p type-check \"build-only {@}\" --",
-    "preview": "vite preview",
-    "build-only": "vite build",
-    "type-check": "vue-tsc --build",
     "lint": "eslint . --fix --cache",
-    "format": "prettier --write --experimental-cli src/"
+    "build-only": "vite build",
+    "dev": "vite",
+    "format": "prettier --write --experimental-cli src/",
+    "preview": "vite preview",
+    "type-check": "vue-tsc --build"
   },
   "dependencies": {
     "@quasar/extras": "^1.17.0",
@@ -22,6 +18,7 @@
     "axios": "^1.13.2",
     "pinia": "^3.0.4",
     "quasar": "^2.18.6",
+    "register-service-worker": "^1.7.2",
     "tsparticles": "~3.9.1",
     "vue": "^3.5.25",
     "vue-axios": "^3.5.2",
@@ -30,7 +27,7 @@
   "devDependencies": {
     "@quasar/vite-plugin": "^1.10.0",
     "@tsconfig/node24": "^24.0.3",
-    "@types/node": "^24.10.1",
+    "@types/node": "^25.0.3",
     "@vitejs/plugin-vue": "^6.0.2",
     "@vitejs/plugin-vue-jsx": "^5.1.2",
     "@vue/eslint-config-prettier": "^10.2.0",
@@ -44,7 +41,12 @@
     "sass-embedded": "^1.93.3",
     "typescript": "~5.9.0",
     "vite": "^7.2.4",
+    "vite-plugin-pwa": "^1.2.0",
     "vite-plugin-vue-devtools": "^8.0.5",
     "vue-tsc": "^3.1.5"
-  }
+  },
+  "engines": {
+    "node": "^20.19.0 || >=22.12.0"
+  },
+  "type": "module"
 }