Update bug_report.md

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,6 +1,6 @@
 ---
 name: Bug report
-about: Create a report to help us find bugs in COSMO.
+about: Create a report to help us find and fix bugs in COSMO.
 title: ''
 labels: bug
 assignees: ''
@@ -17,4 +17,6 @@ Thanks for sharing a bug with us. To help us investigate the issue quickly, plea
 
 - a [minimal reproducible example](https://en.wikipedia.org/wiki/Minimal_working_example) to allow us to reproduce the issue.
 
+If you want to contribute a bug fix yourself, you can follow our guide [How-to-develop](https://oxfordcontrol.github.io/COSMO.jl/dev/contributing/#How-to-develop).
+
 Thanks for contributing to COSMO.