Merge pull request #13 from matt-land/bugfix-fix-the-build-sphinx

Fix the sphinx build stage

Author: tannewt

docs/index.rst

@@ -23,6 +23,8 @@ Table of Contents
 .. toctree::
     :caption: Tutorials
 
+    CircuitPython displayio Setup for TFT FeatherWings <https://learn.adafruit.com/using-circuitpython-displayio-with-a-tft-featherwing>
+
 .. toctree::
     :caption: Development
     :maxdepth: 3
@@ -32,6 +34,11 @@ Table of Contents
 .. toctree::
     :caption: Related Products
 
+    Adafruit Feather M4 Express - Featuring ATSAMD51 - ATSAMD51 Cortex M4<https://www.adafruit.com/product/3857>
+    Adafruit TFT FeatherWing - 3.5" 480x320 Touchscreen for Feathers <https://www.adafruit.com/product/3651>
+    TFT FeatherWing - 2.4" 320x240 Touchscreen For All Feathers <https://www.adafruit.com/product/3315>
+    Adafruit Mini Color TFT with Joystick FeatherWing <https://www.adafruit.com/product/3321>
+
 .. toctree::
     :caption: Other Links