feat/extend_ovosskill

[JarbasAl]

extend skill class to include support for language plugins:

• makes it easier to share the underlying object with the solver plugins feat/translate_plug_as_arg ovos-plugin-manager#183
• api compat with NeonSkill class to reduce divergence
• lazy init on first usage, no extra resource usage in existing skills

extend self.activate:

• allow skills to specify how long they want to remain active
• api compat with NeonSkill class to reduce divergence
• TODO - companion PR in core

[codecov]

Codecov Report

Attention: 9 lines in your changes are missing coverage. Please review.

Comparison is base (7cf8e4e) 60.24% compared to head (6fbebbc) 59.98%.
Report is 8 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #143      +/-   ##
==========================================
- Coverage   60.24%   59.98%   -0.26%     
==========================================
  Files          34       34              
  Lines        3325     3409      +84     
==========================================
+ Hits         2003     2045      +42     
- Misses       1322     1364      +42     

Files	Coverage Δ
ovos_workshop/skills/auto_translatable.py	28.45% <ø> (-1.15%)	⬇️
ovos_workshop/version.py	0.00% <0.00%> (ø)
ovos_workshop/skills/ovos.py	72.92% <66.66%> (-0.23%)	⬇️

... and 1 file with indirect coverage changes

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