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/in_array.spec.ts

@@ -0,0 +1,18 @@
+import chai from 'chai';
+import inArray from '../../src/utils/inArray';
+
+const expect = chai.expect;
+
+describe('inArray', function () {
+  it('should be a function', function () {
+    expect(inArray).to.be.a('function');
+  });
+
+  it('should find the needle and return true', function () {
+    expect(inArray('4', ['4', '3', '2', '1'])).to.equal(true);
+  });
+
+  it('should not find the needle and it should return false', function () {
+    expect(inArray('5', ['4', '3', '2', '1'])).to.equal(false);
+  });
+});