docs: update readme

Author: zachspar

README.md

@@ -5,6 +5,11 @@
 If you'd like to use this repo as a template, all you need to do is fork
 it and update `resume_config.toml` with your information accordingly.
 
+You should also update any static files to include your headshot if desired.
+
+### GitHub Pages Deployment
+By default, this repo will attempt to publish to GitHub pages from the `master` branch.
+
 ### Heroku Deployment
 [![Deploy](https://www.herokucdn.com/deploy/button.svg)](https://heroku.com/deploy)