History navigation #26

Add back/forward buttons using the history navigation history of workrooms and terminals.

Example:

1. I am in "Terminal 1" of "Project A"
2. I create a new terminal
3. I go to "terminal 2" of "Project B"
4. I click back to take me to step 3 (the newly created terminal)
5. I click back again, and I go to step1 ("Terminal1" of "project a")
6. I click forward, and it takes me to step 2 (the newly created terminal)