Add PWM readme

dimonomid · cesantabot · commit aed33ae41139 · 2017-12-26T11:17:41.000Z
PUBLISHED_FROM=5bc30eeb16faf414bedcadd340aad0af1ffe959d
diff --git a/README.md b/README.md
@@ -1 +1,6 @@
 # PWM support for Mongoose OS
+
+This library provides PWM (pulse-width modulation) support for Mongoose OS.
+
+Refer to the API documentation: for
+[C](https://mongoose-os.com/docs/api/mgos_pwm.h.html) and [mJS](https://mongoose-os.com/docs/api/api_pwm.js.html).
