sails: page add

Sails: Replaced general generate command with more specific examples.  Removed sails --version command becuase it was redundant

Sails: added header tag

pages/common/sails.md

@@ -0,0 +1,23 @@
+# sails
+
+> Sails.js is a realtime enterprise level MVC framework built on top of Node.js.
+
+- Start Sails
+
+`sails lift`
+
+- Create new Sails project
+
+`sails new {{projectName}}`
+
+- Generate Sails API
+
+`sails generate {{name}}`
+
+- Generate Sails Controller
+
+`sails generate controller {{name}}`
+
+- Generate Sails Model
+
+`sails generate model {{name}}`