added pwa + dienstreise support

package-lock.json

@@ -16,6 +16,7 @@
         "@angular/platform-browser": "^18.0.0",
         "@angular/platform-browser-dynamic": "^18.0.0",
         "@angular/router": "^18.0.0",
+        "@angular/service-worker": "^18.0.0",
         "@capacitor/app": "6.0.1",
         "@capacitor/core": "6.1.2",
         "@capacitor/haptics": "6.0.1",
@@ -648,6 +649,24 @@
         "rxjs": "^6.5.3 || ^7.4.0"
       }
     },
+    "node_modules/@angular/service-worker": {
+      "version": "18.2.2",
+      "resolved": "https://registry.npmjs.org/@angular/service-worker/-/service-worker-18.2.2.tgz",
+      "integrity": "sha512-az0v0gNkAjOQ4DThDWfNJv2DkH63B4Vj/WnXd8pbY/C7Be6w3S1mN2y9vJClWAzUH/GSLQHnOrZJfnZtTc8M0w==",
+      "dependencies": {
+        "tslib": "^2.3.0"
+      },
+      "bin": {
+        "ngsw-config": "ngsw-config.js"
+      },
+      "engines": {
+        "node": "^18.19.1 || ^20.11.1 || >=22.0.0"
+      },
+      "peerDependencies": {
+        "@angular/common": "18.2.2",
+        "@angular/core": "18.2.2"
+      }
+    },
     "node_modules/@babel/code-frame": {
       "version": "7.24.7",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.24.7.tgz",