[Hello] Add continuous trajectory tracking & teleop

[exhaustin]

Description

Changes:

• Within remote interfaces (remote_hello_robot and remote_hello_robot_ros):
  • Expose direct velocity control: set_velocity
  • Create continuous goto controllers: set_relative_goal, set_relative_position_goal (remote_hello_robot_ros only)
• Add continuous teleop script keyboard_teleop.py

Type of change

Please check the options that are relevant.

• Bug fix (non-breaking change that fixes an issue)
• Proposes a change (non-breaking change that isn't necessarily a bug)
• Refactor
• New feature (non-breaking change that adds a new functionality)
• Breaking change (fix or feature that would break some existing functionality downstream)
• This is a unit test
• Documentation only change
• Datasets Release
• Models Release

Type of requested review

• I want a thorough review of the implementation.
• I want a high level review.
• I want a deep design review.

Before and After

If this PR introduces a change or fixes a bug, please add before and after screenshots (if this is causes a UX change) or before and after examples(this could be plain text, videos etc ) to demonstrate the change.

If this PR introduces a new feature, please also add examples or screenshots demonstrating the feature.

Testing

Please describe the tests that you ran to verify your changes and how we can reproduce.

Checklist:

• I have performed manual end-to-end testing of the feature in my environment.
• I have added Docstrings and comments to the code.
• I have made changes to existing documentation where needed.
• I have added tests that show that the PR is functional.
• New and existing unit tests pass locally with my changes.
• I have added relevant collaborators to review the PR before merge.
• [Polymetis only] I ran on hardware (1) all scripts in tests/scripts, (2) asv benchmarks.

[codecov-commenter]

Codecov Report

Merging #1371 (c6f7e2c) into main (3308290) will increase coverage by 18.96%.
The diff coverage is n/a.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1371       +/-   ##
===========================================
+ Coverage   15.44%   34.41%   +18.96%     
===========================================
  Files         349      357        +8     
  Lines       34777    35196      +419     
===========================================
+ Hits         5372    12112     +6740     
+ Misses      29405    23084     -6321     

Impacted Files	Coverage Δ
...hitl/dashboard_app/backend/dashboard_aws_helper.py	57.57% <0.00%> (ø)
tools/hitl/utils/hitl_utils.py	21.21% <0.00%> (ø)
...itl/dashboard_app/backend/dashboard_model_utils.py	44.44% <0.00%> (ø)
tests/test_base_utils.py	98.55% <0.00%> (ø)
test_utils.py	21.87% <0.00%> (ø)
tools/hitl/utils/tests/hitl_logging_test.py	98.07% <0.00%> (ø)
...ard_app/backend/tests/dashboard_aws_helper_test.py	98.00% <0.00%> (ø)
tools/hitl/utils/hitl_logging.py	100.00% <0.00%> (ø)
dialog/post_process_logical_form.py	29.23% <0.00%> (+1.53%)	⬆️
memory/filters_conversions.py	62.19% <0.00%> (+5.20%)	⬆️
... and 126 more

[devendrachaplot]

@theophilee Can you take a look at this PR as well?