Add XML charge command

[flubshi]

Implement new XML charge command: <ctl><charge type='go'/></ctl>

Runtime tested - works :)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.58%. Comparing base (fc74a93) to head (cf9f072).
Report is 1 commits behind head on dev.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #813      +/-   ##
==========================================
+ Coverage   91.52%   91.58%   +0.06%     
==========================================
  Files         113      114       +1     
  Lines        4352     4360       +8     
  Branches      292      292              
==========================================
+ Hits         3983     3993      +10     
+ Misses        300      299       -1     
+ Partials       69       68       -1     

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[codspeed-hq]

CodSpeed Performance Report

Merging #813 will not alter performance

_{Comparing flubshi:xml_charge_command (cf9f072) with dev (fc74a93)}

Summary

✅ 6 untouched benchmarks

[edenhaus]

Thanks @flubshi 👍