Merge pull request #18 from tekktrik/dev/optional-requirements

Install optional requirements if available

Author: tekktrik

install.sh

@@ -21,4 +21,7 @@ sudo apt-get update
 sudo apt-get install libudev-dev libusb-1.0
 sudo apt-get install -y gettext
 pip install -r requirements.txt
+if test -f "optional_requirements.txt"; then
+    pip install -r optional_requirements.txt
+fi
 pip install circuitpython-build-tools