Keyboard shortcut for the blame button

Problem to solve

As a new maintainer of a project, I want a fast way to find a file and see why a certain line was added.

Intended users

• Delaney (Development Team Lead)
• Sasha (Software Developer)
• Sam (Security Analyst)
• Simone (Software Engineer in Test)

Further details

I prefer mouseless workflow if possible.

Proposal

Add b keyboard shortcut to file view.