bump 0.19.0, update readme with use cases, small fixes

- fix password strategy openapi tags
- fix cli run picking up memory if specified
- fix view transition chrome crash

app/package.json

@@ -3,7 +3,7 @@
   "type": "module",
   "sideEffects": false,
   "bin": "./dist/cli/index.js",
-  "version": "0.19.0-rc.3",
+  "version": "0.19.0",
   "description": "Lightweight Firebase/Supabase alternative built to run anywhere — incl. Next.js, React Router, Astro, Cloudflare, Bun, Node, AWS Lambda & more.",
   "homepage": "https://bknd.io",
   "repository": {