Update demo microservices to inherit Microservice

[jmthomas]

closes #394

[codecov]

Codecov Report

Base: 75.76% // Head: 74.71% // Decreases project coverage by -1.05% ⚠️

Coverage data is based on head (d8c78b9) compared to base (33f9eeb).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #440      +/-   ##
==========================================
- Coverage   75.76%   74.71%   -1.05%     
==========================================
  Files         383      455      +72     
  Lines       25403    27689    +2286     
  Branches      592      592              
==========================================
+ Hits        19247    20689    +1442     
- Misses       6062     6905     +843     
- Partials       94       95       +1     

Flag	Coverage Δ
frontend	76.05% <ø> (-0.07%)	⬇️
ruby-api	50.19% <ø> (+23.82%)	⬆️
ruby-backend	78.86% <ø> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...tlmserver/src/tools/CmdTlmServer/InterfacesTab.vue	47.05% <0.00%> (-5.89%)	⬇️
...md-tlm-api/app/channels/timeline_events_channel.rb	27.27% <0.00%> (ø)
...nc3-cosmos-cmd-tlm-api/config/initializers/cors.rb	100.00% <0.00%> (ø)
...pi/config/initializers/filter_parameter_logging.rb	100.00% <0.00%> (ø)
openc3-cosmos-cmd-tlm-api/config/application.rb	90.00% <0.00%> (ø)
...tlm-api/app/models/streaming_object_file_reader.rb	94.11% <0.00%> (ø)
.../app/controllers/microservice_status_controller.rb	75.00% <0.00%> (ø)
...-tlm-api/app/controllers/application_controller.rb	88.88% <0.00%> (ø)
...os-cmd-tlm-api/app/controllers/tools_controller.rb	26.08% <0.00%> (ø)
...os-cmd-tlm-api/app/controllers/notes_controller.rb	96.87% <0.00%> (ø)
... and 66 more

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