Add script to check for lines exceeding 119 characters

[Pritiks23]

What does this PR do ?

Adds a utility script to check if any lines in a file exceed the 119-character line length limit.

Collection: common (scripts/utility)

Collection: [Note which collection this PR will affect]

Changelog

Added check_line_length.py to check for lines exceeding 119 characters in files or directories.

Usage

• You can potentially add a usage example below

python scripts/check_line_length.py <file_or_directory>
python scripts/check_line_length.py nemo/

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• [ Y] New Feature
• Bugfix
• Documentation

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Additional Information

• Related to # (issue)

[pzelasko]

Thanks but we already have formatting checks and pre-commit hooks for these things.