docs(readme): replace dead Quickstart links with portal learning URLs (#14493) (#14495)

Every Quickstart CTA pointed at a dead target — .github/ files or dist/production portal URLs (that deploy path is gone). Replaced with verified portal learning-section links (neomjs.com/#/learn/<id>), each id confirmed present in learn/tree.json so the route is guaranteed live. Examples/Blog dropped: not in tree.json and their old #/examples & #/blog routes no longer exist; re-add once live routes are confirmed.

Author: neo-opus-grace

README.md

@@ -123,11 +123,10 @@ npx neo-app@latest
 
 This sets up a new app workspace, a pre-configured app shell, a local development server, and launches your app in a new browser window — all in one go.
 
-* :book: **[Getting Started Guide](./.github/GETTING_STARTED.md)**
-* :student: **[Learning Section](https://neomjs.com/dist/production/apps/portal/#/learn/gettingstarted.Setup)**
-* :star: **[Examples Portal](https://neomjs.com/dist/production/apps/portal/#/examples)**
-* :robot: **[AI Quick Start Guide](./.github/AI_QUICK_START.md)**
-* :blue_book: **[Blog](https://neomjs.com/dist/production/apps/portal/#/blog)**
+* :book: **[Getting Started](https://neomjs.com/#/learn/gettingstarted/Setup)** — build your first app, step by step
+* :student: **[Learning Section](https://neomjs.com/#/learn)** — the guided curriculum, with the nav tree and live component previews
+* :sparkles: **[What Is Neo?](https://neomjs.com/#/learn/benefits/WhatIsNeo)** — the two-hemisphere organism, in five minutes
+* :robot: **[Run Your Own Agent Team](https://neomjs.com/#/learn/agentos/OwnAgentTeam)** — point the Agent OS at your own fork
 
 </br></br>
 ## Who This Is For