Add emacs key bindings

[vlad-shatskyi]

• [ ] C-u
• [x] C-a
• [x] C-e
• [ ] C-y
• [x] M-b
• [x] M-f
• [x] C-b
• [x] C-f
• [x] C-d

[laampui]

C-p previous command C-n next command

[vlad-shatskyi]

@lampui those already work.

[grubernaut]

C-d works for deleting the next character, but doesn't send an eof on an empty line to close the current terminal window. Any current plans to support sending an eof on an empty line?

[vlad-shatskyi]

@grubernaut if there are more complains. Please use cmd+w for closing a session.