service worker: use injectManifest

- a RPC framework is added for further use
- fix an error that the service worker is not
    registered until the settings opened
- added theme-color
- settings: added a item to indicate the offline
    availablity

package.json

@@ -24,6 +24,7 @@
     "vite-plugin-pwa": "^0.20.5",
     "vite-plugin-solid": "^2.10.2",
     "vite-plugin-solid-styled": "^0.11.1",
+    "workbox-build": "^7.1.1",
     "wrangler": "^3.78.2"
   },
   "dependencies": {
@@ -49,7 +50,9 @@
     "solid-js": "^1.8.22",
     "solid-styled": "^0.11.1",
     "stacktrace-js": "^2.0.2",
-    "web-animations-js": "^2.3.2"
+    "web-animations-js": "^2.3.2",
+    "workbox-core": "^7.1.0",
+    "workbox-precaching": "^7.1.0"
   },
   "packageManager": "bun@1.1.21"
 }