Update README.md for workflow (#98)

* Update README.md for workflow

* Update README.md

* Update for code block

README.md

@@ -0,0 +1,10 @@
+# monster-ui-voip
+
+This is a sub application of [2600hz/monster-ui](https://github.com/2600hz/monster-ui).
+
+Users should clone into `/monster-ui/src/apps/` such as:
+```
+$ cd monster-ui/src/apps/
+$ git clone https://github.com/2600hz/monster-ui-voip.git voip
+```
+Then the gulp workflow for 2600hz/monster-ui applies.