Minor devdocs improvement.

Added devdocs to ToC.
Moved note about developer reference to devdocs.
Adjusted heading levels to show up properly in the ToC.

docs/development.rst

@@ -1,33 +1,42 @@
+How to Contribute
+=================
+
+Developer Reference
+-------------------
+
+Documentation for the code itself is kept within the code, and is extracted via
+TypeDoc. See the developer reference documentation `here <dev/index.html>`_.
+
 Building extension
-==================
+------------------
 As with most VS Code extensions you need you need `Node.JS <https://nodejs.org/en/>`_ installed.
 
-The process if failry straightforward:
+The process if fairly straightforward:
 
 1. Install dependencies
 
-.. code:: sh
+.. code:: bash
 
     $ npm install
 
 2. Compile the code:
 
-.. code:: sh
+.. code:: bash
 
     $ npm run compile
 
 Of course build command (as few others) is available as Visual Studio Code task.
 
 Coding guidelines
-=================
+-----------------
 
 Formatting
-----------
+::::::::::
 Code is formatted using ``clang-format``. It is recommended to install
 `Clang-Format extension <https://marketplace.visualstudio.com/items?itemName=xaver.clang-format>`_.
 
 Linting
--------
+:::::::
 We use tslint for linting our sources.
 You can run tslint across the sources by calling ``npm run lint`` from a terminal or command prompt.
 You can also run ``npm: lint`` as a Code task by pressing ``CMD+P`` (``CTRL+P`` on Windows) and entering ``task lint``.
@@ -35,7 +44,7 @@ Warnings from tslint show up in the Errors and Warnings quick box and you can na
 To lint the source as you make changes you can install the `tslint extension <https://marketplace.visualstudio.com/items/eg2.tslint>`_.
 
 Style
------
+:::::
 
 * Use inline field initializers whenever possible.
 * Declare properties in constructor parameters lists, when possible.

docs/index.rst

@@ -19,11 +19,7 @@ Contents:
 
     configuring
 
-Developer Reference
-===================
-
-`Documentation for the code itself is kept within the code, and is extracted via
-TypeDoc. See the developer reference documentation here <dev/index.html>`_.
+    development
 
 Indices and tables
 ==================