Adding DotBot examples

[genkimiyauchi]

Adding two examples for the PyDotBot.

1. Minimum naming game (with and without motion): From a list of potential words, a swarm of DotBots runs a distributed algorithm to agree on a single word using local communication.
2. Work and charge: A swarm of DotBots alternate moving between a work region to perform work and a charge region to recharge.

[geonnave]

Thanks for this PR!

Could you add a very basic README to each new example folder explaining:

1. what it does
2. how to run it (and specific dependencies to install, if applicable)

[genkimiyauchi]

I've added a README for the two examples and removed optional dependencies from pyproject.toml. The dependencies are now mentioned in each of the example's README

[aabadie]

I only have comestic comments. I'll try to test your PR later today.

[aabadie]

Also the CI is complaining because of code formatting issues. Install and run black to solve the problems.
There's another issues with pytest that cannot run because of missing dependencies in the CI environment. Maybe add scipy and yaml dependencies to tests_requirements.txt (https://github.com/DotBots/PyDotBot/blob/main/tests_requirements.txt)

[aabadie]

Some of my comments above are still not addressed (the ones about the missing newline at end of file)

[genkimiyauchi]

Sorry for the missed lines. I've fixed the lines at the end for the remaining files

[aabadie]

FYI I allowed myself to apply some changes to fix the lint issues and missing dependencies reported by the CI. The tests are now launched correctly but an unrelated one is still failing. I'm investigating. Once the CI is green I'll merge this PR.

[codecov]

Codecov Report

❌ Patch coverage is 21.70640% with 624 lines in your changes missing coverage. Please review.
✅ Project coverage is 68.84%. Comparing base (9a7358b) to head (7883c03).
⚠️ Report is 23 commits behind head on main.

Files with missing lines	Patch %	Lines
dotbot/examples/sct.py	12.93%	175 Missing ⚠️
dotbot/examples/work_and_charge/work_and_charge.py	21.98%	110 Missing ⚠️
...ples/minimum_naming_game/controller_with_motion.py	20.00%	68 Missing ⚠️
dotbot/examples/minimum_naming_game/controller.py	20.00%	56 Missing ⚠️
dotbot/examples/work_and_charge/controller.py	27.77%	52 Missing ⚠️
...mum_naming_game/minimum_naming_game_with_motion.py	29.57%	50 Missing ⚠️
...xamples/minimum_naming_game/minimum_naming_game.py	31.03%	40 Missing ⚠️
dotbot/examples/minimum_naming_game/walk_avoid.py	7.89%	35 Missing ⚠️
...tbot/examples/minimum_naming_game/gen_init_pose.py	32.35%	23 Missing ⚠️
dotbot/examples/work_and_charge/gen_init_pose.py	41.66%	14 Missing ⚠️
... and 1 more

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #208       +/-   ##
===========================================
- Coverage   81.99%   68.84%   -13.15%     
===========================================
  Files          30       40       +10     
  Lines        2943     3739      +796     
===========================================
+ Hits         2413     2574      +161     
- Misses        530     1165      +635     

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[aabadie]

I finally found the issue which is indeed not related but I fixed it here. So let's go!