feat: service worker (#1045)

* init

* use workbox-window

* Try to accomodate SW hosted at non root url

* v5 updated namespaces

* Test w/ no prompt

* add icons to manifest

* remove scope for now

* add icon tile information to entrypoint

* See if we can skirt by without a duplicate install

* shift client claims to skip waiting message

* Remove prepended slash

* comment out cache handler for now

* Simplify service-worker to skip waiting and install when a new worker is detected

* Use generated icons

* Update rollbar config

.vscode/settings.json

@@ -1,8 +1,5 @@
 {
-  "editor.rulers": [
-    80,
-    120
-  ],
+  "editor.rulers": [80, 120],
   // ===
   // Spacing
   // ===
@@ -29,7 +26,7 @@
       "autoFix": true
     }
   ],
-  "prettier.disableLanguages": [],
+  "prettier.disableLanguages": ["html"],
   "prettier.endOfLine": "lf",
   "workbench.colorCustomizations": {}
 }