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>

api/_lib/examples/extract.ts

@@ -0,0 +1,18 @@
+/**
+ * Download zip and extract to target directory
+ */
+
+import got from 'got';
+import unzip from 'unzip-stream';
+
+export async function extract(sourceUrl: string, targetPath: string) {
+  return new Promise((resolve, reject) => {
+    got
+      .stream(sourceUrl)
+      .pipe(unzip.Extract({ path: targetPath }))
+      .on('close', resolve)
+      .on('error', err => {
+        reject(new Error('Failed extracting from github.'));
+      });
+  });
+}