Update mkdocs/mike notes in readme (#264)

Signed-off-by: Dean Roehrich <dean.roehrich@hpe.com>

Author: roehrich-hpe

README.md

@@ -18,15 +18,25 @@ $ . venv/bin/activate
 (venv) $ pip install -r mkdocs_requirements.txt
 ```
 
-### Run mkdocs Server
+### Run mkdocs or mike Server
 
 To run mkdocs server locally, execute `mkdocs serve`. The output will appear similar to below, with the localhost URL listed at the end.
 
 ```bash
-(venv) $ mkdocs serve
+(venv) $ venv/bin/mkdocs serve
 INFO     -  Building documentation...
 [...]
 INFO     -  Documentation built in 0.22 seconds
 INFO     -  [10:59:28] Watching paths for changes: 'docs', 'mkdocs.yml'
 INFO     -  [10:59:28] Serving on http://127.0.0.1:8000/
 ```
+
+Or run `mike serve`.
+
+```bash
+(venv) $ venv/bin/mike serve  
+Starting server at http://localhost:8000/
+Press Ctrl+C to quit.
+CStopping server...
+```
+