Update README.md: add links to the documentation (#89)

Author: cpina

README.md

@@ -1,6 +1,5 @@
 # github-action-push-to-another-repository
 
-See the documentation in https://cpina.github.io/push-to-another-repository-docs/
-
-Includes example, FAQ, troubleshooting, etc.
+See the extensive documentation in https://cpina.github.io/push-to-another-repository-docs/ (includes examples, FAQ, troubleshooting, etc.).
 
+GitHub repository of the documentation: https://github.com/cpina/push-to-another-repository-docs