Chandra Pratap Shah

Feature/lang contribution11339 (needs tamil AND hindi review)

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## What does this PR do? Add Contributing-ta.md file ### Description ### Why is this valuable (or not)? its valuable for those people how stack with english and not read...

Added Contributing-hi.md file (needs Hindi review)

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## What does this PR do? Add Contributing-hi.md file ### Description ### Why is this valuable (or not)? its valuable for those people how stack with english and not read...

MSSpectrum: Add DataFrame export via get_df()

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## Description Added `get_df()` method to `MSSpectrum` class to enable direct conversion of mass spectrometry data to pandas DataFrames. This implementation: - Converts m/z and intensity arrays to DataFrame columns...