add simple_cli entrypoint

[JarbasAl]

ensure bus connection on cli utils

add a simple_cli for testing

[codecov]

Codecov Report

Attention: 25 lines in your changes are missing coverage. Please review.

Comparison is base (6616569) 53.58% compared to head (70d3a60) 53.33%.
Report is 5 commits behind head on dev.

❗ Current head 70d3a60 differs from pull request most recent head 3d3efcb. Consider uploading reports for the commit 3d3efcb to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##              dev      #56      +/-   ##
==========================================
- Coverage   53.58%   53.33%   -0.25%     
==========================================
  Files          14       14              
  Lines        1073     1108      +35     
==========================================
+ Hits          575      591      +16     
- Misses        498      517      +19     

Files	Coverage Δ
ovos_bus_client/client/waiter.py	82.75% <100.00%> (+3.59%)	⬆️
ovos_bus_client/version.py	0.00% <0.00%> (ø)
ovos_bus_client/client/client.py	37.61% <75.00%> (+3.18%)	⬆️
ovos_bus_client/scripts.py	13.33% <8.33%> (-3.34%)	⬇️

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