Add suport page

Closes #26

_data/general/footer.yml

@@ -34,4 +34,5 @@
     internal: blog.html
   - name: Contribute
     internal: contribute.md
-
+  - name: Support
+    internal: support.md

support.md

@@ -0,0 +1,19 @@
+---
+title: Get Support
+---
+
+As an open source project we offer a [public issue tracker](https://github.com/inventree/InvenTree) and [public documentation](https://inventree.readthedocs.io).
+
+## General Questions
+The core team answers questions in the issue tracker of in [discussions](https://github.com/inventree/InvenTree/discussions) when they find time.  
+Private questions (via DM, email, etc.) are generally not answered, use the public forums.
+
+## Custom Features
+If you require a custom feature you can either:
+- Suggest the feature on the issue tracker as a [Feature Request](https://github.com/inventree/InvenTree/issues/new?template=feature_request.yaml)
+- Create a [plugin](extend/plugin/index.md)
+- Request a paid customisation
+
+## Paid Customisation / Support
+If you use InvenTree for your business and require a support contract or want to fast track a feature request we have a list of developers and businesses willing to help out.
+Feel free to reach out to `admin <AT> inventree <DOT> ORG` - we will redirect you to a suitable contact.