Propmt when a api key can not be use + house keeping (#173)

* chore: remove old files

* chore: change JS tests to TS, delete dummy tests

* chore: bump manifests version

tests/utils/Chrome.spec.ts

@@ -0,0 +1,12 @@
+import chai from 'chai';
+import sinon from 'sinon';
+import chrome from 'sinon-chrome';
+
+const expect = chai.expect;
+
+describe('Chrome Dev Tools', function () {
+  it('should work', function () {
+    chrome.browserAction.setTitle({ title: 'hello' });
+    sinon.assert.calledOnce(chrome.browserAction.setTitle);
+  });
+});