add emacs fill commands

[zafarella]

Is your feature request related to a problem? Please describe.
Coming from emacs: it have very handy command fill-paragraph, more alike are here https://www.gnu.org/software/emacs/manual/html_node/emacs/Fill-Commands.html
Wuld be great to implement at least fill-paragraph in this plug-in, essentially it would be incorporating feature of this plugin https://github.com/abrookins/WrapToColumn

Describe the solution you'd like
I want assign similar/same shortcut for the fill-paragraph command and use it as in emacs

Describe alternatives you've considered
https://github.com/abrookins/WrapToColumn

Additional context
It is fery helpful in:

• src code files
• comments
• notes in readmes, etc files with fixed width column