Generate parameter library for diff drive

[pac48]

This is an example PR of converting the parameter usage in differential drive controller to use https://github.com/PickNikRobotics/generate_parameter_library

[mergify[bot]]

This pull request is in conflict. Could you fix it @pac48?

[mergify[bot]]

This pull request is in conflict. Could you fix it @pac48?

[mergify[bot]]

This pull request is in conflict. Could you fix it @pac48?

[codecov-commenter]

Codecov Report

Merging #386 (a6ad3a7) into master (e7f9962) will decrease coverage by 3.25%. The diff coverage is 26.93%.

@@            Coverage Diff             @@
##           master     #386      +/-   ##
==========================================
- Coverage   35.78%   32.53%   -3.26%     
==========================================
  Files         189        7     -182     
  Lines       17570      664   -16906     
  Branches    11592      356   -11236     
==========================================
- Hits         6287      216    -6071     
+ Misses        994      156     -838     
+ Partials    10289      292    -9997     

Flag	Coverage Δ
unittests	32.53% <26.93%> (-3.26%)	:arrow_down:

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

Impacted Files	Coverage Δ
...ontroller/test/test_load_diff_drive_controller.cpp	12.50% <0.00%> (ø)
diff_drive_controller/src/odometry.cpp	42.16% <11.11%> (ø)
...ive_controller/test/test_diff_drive_controller.cpp	17.62% <12.08%> (ø)
diff_drive_controller/src/speed_limiter.cpp	46.55% <13.33%> (ø)
...troller/include/diff_drive_controller/odometry.hpp	20.00% <20.00%> (ø)
...iff_drive_controller/src/diff_drive_controller.cpp	39.36% <35.67%> (ø)
...de/diff_drive_controller/diff_drive_controller.hpp	100.00% <100.00%> (ø)
...mand_controller/src/forward_command_controller.cpp
...ller/test/test_load_forward_command_controller.cpp
...ntroller/test/test_load_joint_state_controller.cpp
... and 191 more