Feat: custom completion support

[lukejans]

Checks

• I could not find an existing setting that solved my issue
• I searched the discussions in this repo and there are no duplicates of my feature request

Feature Details

Description:

CodeWhisperer to accept custom cli completions.

Realization

I recently started using arduino-cli tools and have realized I'm constantly typing arduino-cli help because I can't remember all the commands. I realized this to be a trend with many command line tools downloaded with homebrew. homebrew has a configuration that makes tab completion work for downloaded command line tools but CodeWhisperer doesn't notice the commands.

Feature

CodeWhisperer to recognize external commands bundled with homebrew completions. more on homebrew completions.

Current functionality

commands can be listed via tab completion through homebrew configuration but CodeWhisperer does not notice the commands therefore it will not show a list of completions.

[grant0417]

CodeWhisperer uses the https://github.com/withfig/autocomplete specs to give auto-suggestions. These are community maintained, if you want to contribute arduino-cli we would merge the pr.

[lukejans]

arduino-cli completion spec pull-request