feat: Initial prototype

manifest.webmanifest

@@ -0,0 +1,19 @@
+{
+  "id": "./",
+  "name": "ascii — ASCII Art",
+  "short_name": "ascii",
+  "description": "Make ASCII art entirely on your device, even offline.",
+  "start_url": "./",
+  "scope": "./",
+  "display": "standalone",
+  "theme_color": "#849979",
+  "background_color": "#202a23",
+  "icons": [
+    { "src": "./icons/ascii.svg", "sizes": "any", "type": "image/svg+xml", "purpose": "any" },
+    { "src": "./icons/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
+    { "src": "./icons/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
+    { "src": "./icons/maskable.svg", "sizes": "any", "type": "image/svg+xml", "purpose": "maskable" },
+    { "src": "./icons/maskable-192.png", "sizes": "192x192", "type": "image/png", "purpose": "maskable" },
+    { "src": "./icons/maskable-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
+  ]
+}