Add API for frameworks and examples (#3514)

* Add API for frameworks and examples

* Adjust headers

* Update frameworks list

* Always use latest

* Add types

* Use now repo for downloading and listing

* Use .existsSync

* Remove unused packages

* Use 307 for redirect

* Add examples

* Update tsconfig.json

Co-Authored-By: Steven <steven@ceriously.com>

* Make examples unique

* Remove detectors from frameworks API

* Use /api instead of Next.js

* Install dependencies

* Rename project

* Change name

* Empty

* Change name

* Update api/tsconfig.json

Co-Authored-By: Steven <steven@ceriously.com>

* Update examples

Co-authored-by: Steven <steven@ceriously.com>

examples/create-react-app/src/App.js

@@ -0,0 +1,26 @@
+import React from 'react';
+import logo from './logo.svg';
+import './App.css';
+
+function App() {
+  return (
+    <div className="App">
+      <header className="App-header">
+        <img src={logo} className="App-logo" alt="logo" />
+        <p>
+          Edit <code>src/App.js</code> and save to reload.
+        </p>
+        <a
+          className="App-link"
+          href="https://reactjs.org"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          Learn React
+        </a>
+      </header>
+    </div>
+  );
+}
+
+export default App;