docs: move support in under overview

Co-authored-by: Fredrik Adelöw <freben@gmail.com>
Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

docs/overview/support.md

@@ -0,0 +1,20 @@
+---
+id: support
+title: Support and community
+description: Support and Community Details and Links
+---
+
+- [Discord chatroom](https://discord.gg/MUpMjP2) - Get support or discuss the
+  project.
+- [Good First Issues](https://github.com/backstage/backstage/contribute) - Start
+  here if you want to contribute.
+- [RFCs](https://github.com/backstage/backstage/labels/rfc) - Help shape the
+  technical direction by reviewing _Request for Comments_ issues.
+- [FAQ](../FAQ.md) - Frequently Asked Questions.
+- [Code of Conduct](https://github.com/backstage/backstage/blob/master/CODE_OF_CONDUCT.md) -
+  This is how we roll.
+- [Blog](https://backstage.io/blog/) - Announcements and updates.
+- [Newsletter](https://mailchi.mp/spotify/backstage-community) - Subscribe to
+  our email newsletter.
+- Give us a star ⭐️ - If you are using Backstage or think it is an interesting
+  project, we would love a star! ❤️