update contributing.md

Author: ColdIV

CONTRIBUTING.md

@@ -4,6 +4,8 @@ Thanks for your interest in SCM. Our goal is to make developing in CompuerCraft
 ## Getting Started
 If you want to contribute you can take a look at the existing issues [here](https://github.com/mc-cc-scripts/script-manager/issues).
 
+Or create your own if you found a bug or something to improve.
+
 You can create a pull request to resolve an issue which will then be reviewed by one of the core contributors.
 
 - Make sure to always create a branch from `master` and check if it will merge cleanly before submitting your PR.