Update CONTRIBUTING.md to include new learn guides and Dan and

tannewt · tannewt · commit 783ffe6824ce · 2018-05-22T14:32:27.000-07:00
Kattni's info. Fixes adafruit#858
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -5,12 +5,6 @@ By participating in this project you agree to abide by its terms. Participation
 covers any forum used to converse about CircuitPython including unofficial and official spaces. Failure to do
 so will result in corrective actions such as time out or ban from the project.
 
-## Developer contact
-[@tannewt](https://github.com/tannewt) is the main developer of CircuitPython
-and is sponsored by [Adafruit Industries LLC](https://adafruit.com). He is
-reachable on [Discord](https://adafru.it/discord) as tannewt during US West Coast
-working hours. He also checks GitHub issues and the [Adafruit support forum](https://forums.adafruit.com/viewforum.php?f=60).
-
 ## Licensing
 By contributing to this repository you are certifying that you have all necessary
 permissions to license the code under an MIT License. You still retain the
@@ -20,6 +14,23 @@ If you have an employment contract with your employer please make sure that they
 don't automatically own your work product. Make sure to get any necessary approvals
 before contributing. Another term for this contribution off-hours is moonlighting.
 
+## Getting started
+CircuitPython developer Dan Halbert (@dhalbert) has written up build instructions using native build
+tools [here](https://learn.adafruit.com/building-circuitpython).
+
+For SAMD21 debugging workflow tips check out [this learn guide](https://learn.adafruit.com/debugging-the-samd21-with-gdb) from Scott (@tannewt).
+
+## Developer contacts
+Scott Shawcroft ([@tannewt](https://github.com/tannewt)) is the lead developer of CircuitPython
+and is sponsored by [Adafruit Industries LLC](https://adafruit.com). Scott is usually available
+during US West Coast working hours. Dan Halbert ([@dhalbert](https://github.com/dhalbert)) and
+Kattni Rembor ([@kattni](https://github.com/kattni)) are also sponsored by [Adafruit Industries
+ LLC](https://adafruit.com) and are usually available during US East Coast daytime hours including
+some weekends.
+
+They are all reachable on [Discord](https://adafru.it/discord), GitHub issues and the [Adafruit
+support forum](https://forums.adafruit.com/viewforum.php?f=60).
+
 ## Code guidelines
 We aim to keep our code and commit style compatible with MicroPython upstream.
 Please review their
