more docs and black

Author: yamilbknsu

demos/models/income_adjustment.py

@@ -8,6 +8,7 @@
 
 STEP_NAME = "income_adjustment"
 
+
 @orca.step(STEP_NAME)
 def income_adjustment(persons, households, income_rates, year):
     """

docs/source/pages/intro.md

@@ -24,6 +24,7 @@ This document summarizes instructions to install, configure and run DEMOS. Secti
     ```bash
     git clone https://github.com/NREL/DEMOS_NREL.git
     cd DEMOS_NREL
+    git checkout yep/docker-implementation # This line is only relevant during internal testing
     ```
 
     **Build Docker Image** *(Development only)*