Display all shortcuts in their appropriate locations.

[Fryingpannn]

Context

• All shortcuts should be clear and visible.
• No guessing should be needed from the user.
• Babysit users to know which shortcuts to use.

Multiple PRs will likely be needed for this issue. Each shortcut needs to be displayed somewhere on the UI such that the user knows it's the shortcut needed for a specific task.

E.g.: The enlarge chat panel shortcut (https://github.com/trypear/pearai-app/issues/20) should be shown to the user explicitly