feat: add measurement for stops

[Minipada]

Initial discussions

• Github issue:

Types of changes

What types of changes does your code introduce?
Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Test (add, remove, modify test(s))
• Other

What I did

add a measurement for stops

How I did it

Check when the robot stops and count time it is stopped

I am not sure about

How I tested

By running qr codes simulation

I'm not a dummy, so I've checked these

• 📑 I documented correctly following our guidelines
• 💯 I tested locally and it is working
• 🟢 My code does not fail neither code linting checks nor unit test.

Thank you!

[codecov-commenter]

Codecov Report

Merging #15 (451c0fe) into humble (957233e) will decrease coverage by 0.21%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           humble      #15      +/-   ##
==========================================
- Coverage   11.44%   11.23%   -0.21%     
==========================================
  Files          66       67       +1     
  Lines        3578     3645      +67     
==========================================
  Hits          409      409              
- Misses       3169     3236      +67     

Impacted Files	Coverage Δ
dc_measurements/plugins/measurements/stops.cpp	0.00% <0.00%> (ø)