SUPPORT.md add developer documentation, and a minor update (#430)

Author: SoftOrange Tech

SUPPORT.md

@@ -1,7 +1,8 @@
-# Atom Support
+# Atom Community Support
 
-If you're looking for support for Atom Community, you can go to our message board or the Flight manual linked below:
+If you're looking for support for Atom Community, there are a lot of options to check out:
 * User Documentation — [The Atom Flight Manual](https://flight-manual.atom.io)
+* Developer Documentation — [Atom API Documentation](https://atom.io/docs/api/latest)
 * Message Board — [Github Discussions, the official Atom Community message board](https://github.com/atom-community/atom/discussions)
 
-On Atoms Github Discussions board, there are a bunch of helpful community members that should be willing to point you in the right direction.
+On Atom Community's Github Discussions board, there are a bunch of helpful community members that should be willing to point you in the right direction.