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/svelte/src/main.js

@@ -0,0 +1,10 @@
+import App from './App.svelte';
+
+const app = new App({
+  target: document.body,
+  props: {
+    name: 'world',
+  },
+});
+
+export default app;