docs: add wifi.rst

Add more documents about WiFi API/Event Mechanism/State Machine etc
2017-05-03 19:21:08 +08:00 · 2017-05-03 19:21:08 +08:00 · 508855538e
commit 508855538e
--- a/docs/api-guides/index.rst
+++ b/docs/api-guides/index.rst
@ -17,3 +17,4 @@ API Guides
   Unit Testing <unit-tests>
   Application Level Tracing <app_trace>
   ROM debug console <romconsole>
+   WiFi Driver <wifi>
--- a/docs/api-guides/wifi.rst
+++ b/docs/api-guides/wifi.rst