add readme

Author: some-natalie

README.md

@@ -15,3 +15,4 @@ Make a pull request and we'll consider it.
 * _hooks_: want to find out how to write a consumer for [our web hooks](https://developer.github.com/webhooks/)? The examples in this subdirectory show you how. We are open for more contributions via pull requests.
 * _pre-receive-hooks_: this one contains [pre-receive-hooks](https://help.github.com/enterprise/admin/guides/developer-workflow/about-pre-receive-hooks/) that can block commits on GitHub Enterprise that do not fit your requirements. Do you have more great examples? Create a pull request and we will check it out.
 * _scripts_: want to analyze or clean-up your Git repository? The scripts in this subdirectory show you how. We are open for more contributions via pull requests
+* _sql_: here are sql scripts for custom reporting for GitHub Enterprise Server. We are open for more contributions via pull requests.