Change project license and add author of the app

Author: antoniodesousa

package.json

@@ -1,7 +1,9 @@
 {
   "name": "github-commits-app",
   "version": "0.1.0",
-  "private": true,
+  "private": false,
+  "author": "Antonio de Sousa <[email protected]>",
+  "license": "MIT",
   "dependencies": {
     "@testing-library/jest-dom": "^5.11.9",
     "@testing-library/react": "^11.2.5",