No Fzf Dependency

Use fzf as a library which removed the requirement to have the fzf utility installed.

It's cold outside.

• added ctrl-i shortcut to query installed apps.
• updated readme.
• added scoopfz.json install manifest.
• code cleanup
• prefix bucket name with b: to target a bucket in query

Away we Go

Give it a try, tell me what you think.