Feature: Add add_rows() method to TableFeature/add rows batch

[hxyooooo]

Type of changes

• Bug fix
• [√] New feature
• Documentation / docstrings
• Tests
• Other

AI?

• [√ ] AI was used to generate this PR

AI generated PRs may be accepted, but only if @willmcgugan has responded on an issue or discussion.

Checklist

• I've run the latest black with default args on new code.
• I've updated CHANGELOG.md and CONTRIBUTORS.md where appropriate (see note about typos above).
• I've added tests for new code.
• [ √] I accept that @willmcgugan may be pedantic in the code review.

Description

Adds a convenient add_rows() method to the Table class to allow batch insertion of multiple rows at once. This improves the API ergonomics when importing data from external sources like CSV or databases, avoiding the need for manual loops.

Important: Link to an issue or discussion regarding these changes.

[TomJGooding]

3 files changed, 1403 insertions(+), 955 deletions(-)

Please don't waste the time of open source maintainers with this AI slop.