feat(picker): allow appending original window <cWORD>, <cfile> and cursor line to prompt

[younger-1]

Description

Store the <cWORD>, <cfile> and cursor line of the original window before showing up telescope window, and create new action to insert/append the them into the telescope prompt buffer.

Allows for similar behaviors to c_CTRL-R_CTRL-W.
follows: #2878

Type of change

• New feature (non-breaking change which adds functionality)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project (stylua)
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (lua annotations)

[jamestrew]

Can you try rebasing and force-pushing? I want to see if that can help with the docgen ci failing.

[younger-1]

Can you try rebasing and force-pushing? I want to see if that can help with the docgen ci failing.

Done. docgen ci passed

[Conni2461]

it seems like docgen is still not generating docs for none maintainers. Ill do it manually.

thanks for the PR :)