Port pwa config over from coracle

package.json

@@ -4,8 +4,7 @@
   "private": true,
   "scripts": {
     "dev": "vite dev",
-    "build": "vite build",
-    "preview": "vite preview",
+    "build": "pwa-assets-generator && vite build",
     "check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
     "check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch",
     "lint": "prettier --check . && eslint .",
@@ -48,6 +47,7 @@
     "@tiptap/extension-text": "^2.6.6",
     "@tiptap/suggestion": "^2.6.4",
     "@types/throttle-debounce": "^5.0.2",
+    "@vite-pwa/assets-generator": "^0.2.6",
     "@welshman/app": "~0.0.18",
     "@welshman/content": "~0.0.12",
     "@welshman/dvm": "~0.0.10",
@@ -59,13 +59,17 @@
     "@welshman/util": "~0.0.42",
     "daisyui": "^4.12.10",
     "date-picker-svelte": "^2.13.0",
+    "dotenv": "^16.4.5",
     "emoji-picker-element": "^1.22.8",
+    "favicons": "^7.2.0",
     "fuse.js": "^7.0.0",
     "idb": "^8.0.0",
     "nostr-editor": "^0.0.2",
     "nostr-tools": "^2.7.2",
     "prettier-plugin-tailwindcss": "^0.6.5",
     "svelte-tiptap": "^1.1.3",
-    "throttle-debounce": "^5.0.2"
+    "throttle-debounce": "^5.0.2",
+    "vite-plugin-html-config": "^2.0.2",
+    "vite-plugin-pwa": "^0.20.5"
   }
 }