[#328] Attitude control action

[Mark2000]

Description

Closes #328
Closes #234

Adds action and FSW for continuous attitude control

Type of change

• Bug fix (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)

How should this pull request be reviewed?

• By commit
• All changes at once

How Has This Been Tested?

Added integrated test.

Checklist

• I have performed a self-review of my code
• I have commented my code in hard-to-understand areas
• I have made corresponding changes to the documentation and release notes
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works

[Copilot]

Pull request overview

This pull request adds support for continuous attitude control by introducing a new AttitudeSetpoint action that allows agents to set the satellite's inertial attitude using Modified Rodrigues Parameters (MRPs).

Key changes:

• Adds AttitudeSetpoint continuous action class with 3-dimensional action space for MRP control
• Moves TrackingErrorTask from BasicFSWModel to base FSWModel to enable attitude control for all FSW models
• Adds action_attitude_mrp method to FSWModel for setting attitude references
• Includes integration test validating attitude control with both basic and full dynamics models

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
tests/integration/act/test_int_actions_continuous.py	Adds TestAttitudeSetpoint class with parametrized test validating attitude control functionality
src/bsk_rl/sim/fsw/base.py	Moves TrackingErrorTask to base FSWModel class and adds action_attitude_mrp method for attitude commands
src/bsk_rl/act/continuous_actions.py	Implements AttitudeSetpoint action class with 3D MRP action space and control period parameter
src/bsk_rl/act/init.py	Exports new AttitudeSetpoint action and previously missing NadirPoint action
docs/source/release_notes.rst	Documents the new attitude control action in release notes

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