Render readme dynamically (#321)

* Render readme dynamically

Gives us the ability to show contributors

* readme update

Author: tinder-maxwellelliott

Makefile

@@ -16,4 +16,8 @@ release_deploy_jar:
 
 .PHONY: format
 format:
-	bazelisk run //cli/format
+	bazelisk run //cli/format
+
+.PHONY: generate-readme
+generate-readme:
+	bazelisk run //tools:generate-readme