add jwt

Author: brentru

.gitmodules

@@ -523,3 +523,6 @@
 [submodule "libraries/helpers/ntp"]
 	path = libraries/helpers/ntp
 	url = https://github.com/adafruit/Adafruit_CircuitPython_NTP.git
+[submodule "libraries/helpers/jwt"]
+	path = libraries/helpers/jwt
+	url = https://github.com/adafruit/Adafruit_CircuitPython_JWT.git

docs/drivers.rst

@@ -58,6 +58,7 @@ These libraries build on top of the low level APIs to simplify common tasks.
     Image Load <https://circuitpython.readthedocs.io/projects/imageload/en/latest/>
     InfraRed Remote <https://circuitpython.readthedocs.io/projects/irremote/en/latest/>
     IterTools <https://circuitpython.readthedocs.io/projects/itertools/en/latest/>
+    JSON Web Token (JWT) <https://circuitpython.readthedocs.io/projects/jwt/en/latest/>
     LED Animation <https://adafruit-circuitpython-led-animation.readthedocs.io/en/latest/>
     LIFX Lights <https://circuitpython.readthedocs.io/projects/lifx/en/latest/>
     Logging  <https://circuitpython.readthedocs.io/projects/logging/en/latest/>