[issue-240] Update Recorder notes to reflect current implementation

[lnanduri2005]

Closes#240

Description

Updated Recorder documentation to reflect the current implementation.

Changes include:

• documented Recorder lifecycle and call flow
• explained variable registration through registerHistoryVariables
• described CONSTANT vs DYNAMIC behavior
• documented XmlRecorder and Hdf5Recorder behavior
• added current examples of recorded data
• removed outdated legacy/re-engineering details that no longer match the code

Checklist (Mandatory for new features)

• Added Documentation
• Added Unit Tests

Testing (Mandatory for all changes)

• GPU Test: test-medium-connected.xml Passed
• GPU Test: test-large-long.xml Passed

[Copilot]

Pull request overview

This PR updates the Recorder subsystem notes to align the documentation with the current Graphitti implementation and removes older design material that no longer matches how recording works today.

Changes:

• Rewrote docs/Notes/RecordersNotes.md to document the current Recorder lifecycle, registration flow, and Xml/HDF5 behaviors.
• Added a 2026 entry to Contributors.md.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
docs/Notes/RecordersNotes.md	Major rewrite of Recorder documentation to reflect current runtime behavior, registration, and output semantics.
Contributors.md	Adds a 2026 contributor entry and fixes formatting on the final line.

[lnanduri2005]

I updated both documentation sections based on the review comments and resolved the Contributors.md conflict while keeping both 2026 contributor entries. The PR should be ready for another review now.

[stiber]

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