[ENH]: Add scalar table storage support for `HDF5FeatureStorage`

[synchon]

• [x] description of feature/fix
• [x] tests added/passed
• [x] add an entry for the latest changes

This PR introduces a new storage type called scalar_table which is basically a table with scalar values. The data type is like a mix between matrix with user-defined row_names and row_header_col_name and timeseries like internal data storage i.e., non-uniform row and column count but fixed row count across elements. For now, storing eigenvalues from BrainPrint (#344) would use this and is only supported by HDF5FeatureStorage.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (fc0a3fb) to head (0a6d9ee).

Additional details and impacted files

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[github-actions[bot]]

PR Preview Action v1.4.7 :---: Preview removed because the pull request was closed. 2024-05-22 13:40 UTC