Add a "duplicate as" option

[sayanarijit]

A combination of copy and rename.
When we want to copy a file in the same directory with a different name, we need to go through a lot of steps.
Let's fix that.

[sayanarijit]

I'd suggest using ctrl-d key to do that, but no strong opinion.

[dtomvan]

As in, give the user an input buffer?

[sayanarijit]

Correct

[sayanarijit]

I really need it urgent. So, I'm taking over :)