Add WiFi workflow to the section about branding

Author: jepler

README.rst

@@ -90,9 +90,11 @@ If you'd like to use the term "CircuitPython" and Blinka for your product here i
 * Your product is listed on `circuitpython.org <https://circuitpython.org>`__ (source
   `here <https://github.com/adafruit/circuitpython-org/>`_). This is to ensure that a user of your
   product can always download the latest version of CircuitPython from the standard place.
-* Your product has a user accessible USB plug which appears as a CIRCUITPY drive when plugged in
-  AND/OR provides file and serial access over Bluetooth Low Energy. Boards that do not support USB
-  should be clearly marked as BLE-only CircuitPython.
+* Your product supports at least one standard "workflow" for serial and file access:
+  * With a user accessible USB plug which appears as a CIRCUITPY drive when plugged in.
+  * With file and serial access over Bluetooth Low Energy using the BLE Workflow.
+  * With file access over WiFi using the WiFi workflow, and serial access over USB.
+* Boards that do not support the USB workflow should be clearly marked.
 
 If you choose not to meet these requirements, then we ask you call your version of CircuitPython
 something else (for example, SuperDuperPython) and not use the Blinka logo. You can say it is