add MDN link

Author: brainrake

README.md

@@ -4,6 +4,7 @@
 
 
 Wraps the math functions and constants from Javascript's built-in `Math` object.
+See [Math Documentation at MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math).
 
 #### `Radians`
 

src/Math.purs

@@ -1,4 +1,5 @@
 -- | Wraps the math functions and constants from Javascript's built-in `Math` object.
+-- | See [Math Documentation at MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math).
 module Math where
 
 -- | An alias to make types in this module more explicit.