[docs] Contributing - reporting bug/feature requests (#6414)

Author: Kielek

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -62,7 +62,7 @@ body:
   - type: textarea
     attributes:
       label: Steps to Reproduce
-      description: Provide a [minimal reproducible example](https://stackoverflow.com/help/minimal-reproducible-example). We will close the issue if the repro project you share with us is complex or we cannot reproduce the behavior you are reporting. We cannot investigate custom projects, so don't point us to such, please.
+      description: Provide a [minimal, reproducible example](https://stackoverflow.com/help/minimal-reproducible-example). We will close the issue if the repro project you share with us is complex or we cannot reproduce the behavior you are reporting. We cannot investigate custom projects, so don't point us to such, please.
     validations:
       required: true
 

CONTRIBUTING.md

@@ -14,10 +14,33 @@ Anyone may contribute but there are benefits of being a member of our community.
 See the [community membership
 document](https://github.com/open-telemetry/community/blob/main/community-membership.md)
 on how to become a
-[**Member**](https://github.com/open-telemetry/community/blob/main/community-membership.md#member),
-[**Approver**](https://github.com/open-telemetry/community/blob/main/community-membership.md#approver)
+[**Member**](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#member),
+[**Triager**](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#triager),
+[**Approver**](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#approver),
 and
-[**Maintainer**](https://github.com/open-telemetry/community/blob/main/community-membership.md#maintainer).
+[**Maintainer**](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#maintainer).
+
+## Give feedback
+
+We are always looking for your feedback.
+
+You can do this by [submitting a GitHub issue](https://github.com/open-telemetry/opentelemetry-dotnet/issues/new).
+
+You may also prefer writing on [#otel-dotnet Slack channel](https://cloud-native.slack.com/archives/C01N3BC2W7Q).
+
+### Report a bug
+
+Reporting bugs is an important contribution. Please make sure to include:
+
+* Expected and actual behavior;
+* OpenTelemetry, OS, and .NET versions you are using;
+* Steps to reproduce;
+* [Minimal, reproducible example](https://stackoverflow.com/help/minimal-reproducible-example).
+
+### Request a feature
+
+If you would like to work on something that is not listed as an issue
+(e.g. a new feature or enhancement) please create an issue and describe your proposal.
 
 ## Find a buddy and get started quickly