Adding CLI pointer

docs/cli.md

@@ -0,0 +1,12 @@
+# Command Line Interface
+
+It is possible to use the codethemicrobit tools from a command line interface (CLI). The PXT CLI allows to 
+* edit, compile or deploy JavaScript programs
+* can easily be integrated in most IDEs (it comes with built-in support for [Visual Studio Code](https://code.visualstudio.com/))
+* run a local web server for the web editor
+* author packages using JavaScript and/or C++
+
+
+Using the CLI assumes that you have some experience with programming and will require to install tools on your machine as well.
+
+* **[LET'S GET STARTED](https://pxt.io/cli)**

docs/docs.md

@@ -26,4 +26,5 @@
 
 ### Developers
 
+* [Command Line Interface](/cli)
 * Learn about [packages](/packages)