Update SDK developer readme

Author: dtisza1

README-sdk-dev.md

@@ -1,8 +1,10 @@
-# Blue Button 2.0 SDK - Python Version
+# Blue Button 2.0 SDK Development Documentation
 
 ## Introduction
 
-Introduction goes here!
+This README contains information related to developing the SDK.
+
+It is intended for BB2 team members or others performing SDK development work.
 
 ## Install Prerequisites:
 
@@ -35,10 +37,6 @@ To install the package file do the following:
 $ pip install <package file name>
 ```
 
-## Usage
-
-Usage goes here!
-
 
 ## Developing the Blue Button 2.0 SDK (for BB2 team SDK developers)
 
@@ -133,5 +131,19 @@ To build the cms_bluebutton packages do the following:
 
 The resulting distribution files with be created in the `dist/` directory.
 
+### Install from a Package File
+
+Package files can be installed via the following commands:
+
+```bash
+pip install cms_bluebutton-0.1.0-py3-none-any.whl # wheel
+```
+or 
+
+```bash
+pip install cms_bluebutton-0.1.0.tar.gz # bdist
+```
 
 ### Publishing
+
+TODO!

README.md

@@ -8,6 +8,7 @@
 4. [Usages: Obtain Access Grant, Probe Scope, and Access Data](#usages)
 5. [A Complete Sample App](#samples)
 6. [API Versions and Environments](#versions_and_environments)
+7. [SDK Development](#sdk_devel)
 
 ## Description <a name="description"></a>
 
@@ -235,3 +236,7 @@ Web location of the environments:
 [PRODUCTION Environment: https://api.bluebutton.cms.gov](https://api.bluebutton.cms.gov)
 
 [SANDBOX Environment: https://sandbox.bluebutton.cms.gov](https://sandbox.bluebutton.cms.gov)
+
+## SDK Development <a name="sdk_devel"></a>
+
+Documentation for BB2 team members and others developing the SDK can be found here:  [README-sdk-dev.md](./README-sdk-dev.md)