Initial customer template

General MR

Summary

• Adds the basic scaffolding to deploy a Big Bang instance using the profile approach
• Removes the helm chart templates added in the initial commit

Relevant logs/screenshots

Deployed the default profile into a k3d instance successfully following the steps in the README.md:

Linked Issue

big-bang/apps/developer-tools/bbctl#65 (closed)

Upgrade Notices

N/A

Closes big-bang/apps/developer-tools/bbctl#65 (closed)