docs: simplify app readme

README.md

@@ -1,39 +1,27 @@
-# ascii PWA
+# ascii!
 
-A standalone, dependency-free ASCII art app. Rendering, copying and downloads
-work entirely in the browser. After the first successful online visit, the
-service worker caches the interface for offline use. Fonts are cached only when
-selected; previously used fonts remain available offline. No Python, API, CDN,
-package installation or build step is needed.
+Turn text into ASCII art in your browser. Type something, pick a font, and see
+the result instantly.
 
-Run locally with `npm start` (or `node serve.mjs`), then open
-`http://localhost:8080`. Run checks with `npm test`.
+- Browse 297 FIGlet fonts and a compact bitmap style with previous/next controls.
+- Copy your art, download it as a text file, or share a link.
+- Keep your last-used font and choose light, dark, or system appearance.
+- Switch between English and Turkish.
+- Install the app and use previously selected fonts offline.
 
-Deploy this directory to any HTTPS static host. The relative paths support both
-an origin root and a subdirectory such as `/pwa/`. Serve `index.html`, `sw.js`
-and the manifest with `Cache-Control: no-cache`. Serve `sw.js` as JavaScript.
-The included development server applies these headers. Direct file opening
-does not support service workers; use localhost or HTTPS.
+Your text stays on your device. New fonts need a connection the first time you
+use them.
 
-The full font collection from FIGlet.js 1.8.2 is bundled locally, alongside the
-original compact bitmap style. FIGlet.js handles rendering, with font-specific
-character support and wrapping at 80 columns. Text is limited to 500 characters.
-Text links use `?text=...&font=...`; lowercase font names in older links are also
-accepted. Text renders automatically as you type or change fonts. Previous/next
-buttons cycle through the collection, and the last selected font is remembered.
-An explicit font in a shared link overrides the saved preference. The logo and
-installed app launch open the homepage. Text is not saved or sent to a server.
+## Run locally
 
-English/Turkish and light/dark/system preferences are stored locally when
-storage is available. Your supplied SVG is the favicon and logo, with vector
-rendered PNG installation icons and separate maskable artwork.
+```sh
+npm start
+```
 
-When changing any shell asset, bump `VERSION` in `sw.js`. The new worker caches
-the entire shell before offering an update. Accepting the update reloads open
-clients; closing all existing app tabs also permits activation. Shell cleanup
-only removes old versions for this app and installation scope. Previously used
-fonts live in a separate cache pinned to the FIGlet.js version and survive shell
-updates. A font you have never used needs a connection on its first selection.
+Open [localhost:8080](http://localhost:8080). No dependency installation or build
+step is needed.
 
-Use the browser install action when available. On iOS, use Safari’s Share → Add
-to Home Screen. Installation and device splash rendering need on-device checks.
+## Install
+
+Use your browser’s install option. On iPhone or iPad, open the app in Safari and
+choose **Share → Add to Home Screen**.