Add autocompletion support #117
                
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What does this implement/fix? Explain your changes.
Added support for autocompletion using shtab library.
Supported shells: Bash, Zsh.
Does this close any currently open issues?
#97
Any relevant logs, error output, etc?
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Any other comments?
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Where has this been tested?
Operating System: Linux 6.15.8-arch1-1
Platform: x86_64
Target Platform: Any