Update README.md

Author: jeffmaki

README.md

@@ -1,5 +1,10 @@
 # Contents of This Repo
 
+## Branch Strategy
+
+* **main**: day to day work goes here. 
+* **dev**: current code of the dev environment. No commits allowed directly; you'll need to open a PR from main. Committing/pushing here causes a deployment to the dev infrastructure. 
+
 ## Frontend Tier
 * ```frontend```: The Workspaces frontend (VueJS app).
   * Code here: https://github.com/TaskarCenterAtUW/workspaces-frontend.
@@ -40,4 +45,4 @@ Replace XXX.env with the environment definition file of the environment for whic
 
 # GH Actions
 
-See GitHub's actions tab in this repo for more deployment examples/steps. 
+See GitHub's actions tab in this repo for more deployment examples/steps.