Create CONTRIBUTING.md

Signed-off-by: JesseBot <[email protected]>

CONTRIBUTING.md

@@ -0,0 +1,17 @@
+# Welcome
+
+Thanks for considering a contribution to this community run nextcloud repo! Please make sure you review the [Code of Conduct](./CODE_OF_CONDUCT.md) before proceeding, and keep in mind that this repo is run by volunteers.
+
+# Pull Requests
+
+Before submitting a feature or fix PR, please make sure the following are done:
+
+1. Make sure all your commits are signed off. (Learn more the DCO [here](https://probot.github.io/apps/dco/))
+2. Any new or changed values are updated in the [values.yaml](./charts/nextcloud/values.yaml) and the [README.md](./charts/nextcloud/README.md)
+3. Bump the `version` in the [Chart.yaml](./charts/nextcloud/Chart.yaml) according to [Semantic Versioning](https://semver.org/) which uses the format `major.minor.patch`.
+
+Then, please make sure you follow the [pull request template](.github/pull_request_template.md), so we can more quickly review.
+
+# Issues
+
+Please make sure you follow one of the [issue templates](.github/ISSUE_TEMPLATE) so we can better help troubleshoot with you.