insert link with markdown code example
Example 1: how to create link in readme.md
[a link] (https://github.com/user/repo/blob/branch/other_file.md)
Example 2: markdown hyperlink syntax
[Link to Google](https://www.google.com)
[a link] (https://github.com/user/repo/blob/branch/other_file.md)
[Link to Google](https://www.google.com)