feat(contributing): add more details to issue reporting (#472)

src/contributing/overview.md

@@ -6,16 +6,38 @@ Interested in contributing to a Deis project?  There are lots of ways to help.
 
 Find a bug? Want to see a new feature? Have a request for the maintainers? Open a Github issue in the applicable repository and we’ll get the conversation started.
 
+Our official support channels are:
+
+- GitHub issue queues:
+    - [builder](https://github.com/deis/builder/issues)
+    - [chart](https://github.com/deis/charts/issues)
+    - [database](https://github.com/deis/postgres/issues)
+    - [helm classic](https://github.com/helm/helm-classic/issues)
+    - [monitor](https://github.com/deis/monitor/issues)
+    - [registry](https://github.com/deis/registry/issues)
+    - [router](https://github.com/deis/router/issues)
+    - [workflow](https://github.com/deis/workflow/issues)
+    - [workflow-cli](https://github.com/deis/workflow-cli/issues)
+- [Deis #community Slack channel][slack]
+
+Don't know what the applicable repository for an issue is? Open up in issue in [workflow][] or chat with a maintainer in the [Deis #community Slack channel][slack] and we'll make sure it gets to the right place.
+
+Additionally, take a look at the [troubleshooting][] documentation for common issues.
+
+Before opening a new issue, it's helpful to search and see if anyone else has already reported the problem. You can search through a list of issues for all Deis projects [here][issues].
+
 ## Write Documentation
 
 We are always looking to improve and expand our documentation. Most docs reside in the [deis/workflow][workflow] repository. Simply fork the project, update docs and send us a pull request.
 
 ## Contribute Code
 
-We are always looking for help improving the core platform, other workloads, tooling, and test coverage. Interested in contributing code? Let’s chat in the [Deis #community Slack channel](https://slack.deis.io). Make sure to check out issues tagged [easy-fix][].
+We are always looking for help improving the core platform, other workloads, tooling, and test coverage. Interested in contributing code? Let’s chat in the [Deis #community Slack channel][slack]. Make sure to check out issues tagged [easy-fix][].
 
 When you're ready to begin writing code, review [Design Documents][dd] and get your [Development Environment][dev-environment] set up.
 
+By contributing to any Deis project you agree to its [Developer Certificate of Origin (DCO)][dco]. This document was created by the Linux Kernel community and is a simple statement that you, as a contributor, have the legal right to make the contribution.
+
 ## Triage Issues
 
 If you don't have time to code, consider helping with triage. The community will thank you for saving them time by spending some of yours. See [Triaging Issues](triaging-issues.md) for more info.
@@ -28,3 +50,7 @@ Interact with the community on our user mailing list or live in our [Deis #commu
 [dd]: design-documents.md
 [dev-environment]: development-environment.md
 [easy-fix]: https://github.com/issues?q=user%3Adeis+label%3Aeasy-fix+is%3Aopen
+[dco]: https://github.com/deis/workflow/blob/master/DCO
+[troubleshooting]: ../troubleshooting/index.md
+[issues]: https://github.com/pulls?utf8=%E2%9C%93&q=user%3Adeis+user%3Ahelm
+[slack]: https://slack.deis.io