[DOCS] Fix comment and doc consistency issues in GeoPandas API

[zhangfengcdt]

Did you read the Contributor Guide?

• Yes, I have read the Contributor Rules and Contributor Development Guide

Is this PR related to a ticket?

• No:
  • this is a documentation update. The PR name follows the format [DOCS] my subject

What changes were proposed in this PR?

This PR standardizes comment formatting and consistency across the Sedona GeoPandas module to improve code readability and maintainability.

Changes Made

• Fixed comment punctuation: Added missing periods to end sentences consistently
• Standardized technical terms:
• Improved docstring formatting: Enhanced parameter documentation to follow NumPy style
• Grammar and clarity fixes: Corrected typos and improved sentence structure
• Consistent comment style: Applied uniform formatting across all files

How was this patch tested?

All existing tests pass

Did this PR include necessary documentation updates?

• Yes, I have updated the documentation.

[Copilot]

Pull Request Overview

This PR standardizes comment formatting and consistency across the Sedona GeoPandas module to improve code readability and maintainability. It focuses on adding missing periods to comments, improving technical term capitalization, enhancing docstring formatting, and fixing grammatical issues.

• Fixed comment punctuation by adding missing periods consistently across files
• Standardized technical terms (e.g., "dataframe" → "DataFrame", "crs" → "CRS", "geopandas" → "GeoPandas")
• Enhanced docstring formatting to follow NumPy style documentation standards

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
python/sedona/spark/geopandas/tools/sjoin.py	Fixed comment punctuation, standardized "DataFrame" terminology, improved error messages, and enhanced docstring formatting
python/sedona/spark/geopandas/sindex.py	Updated technical term capitalization and improved comment consistency
python/sedona/spark/geopandas/io.py	Standardized "CRS"/"GeoJSON" terminology and improved comment punctuation
python/sedona/spark/geopandas/geoseries.py	Enhanced docstring formatting, fixed technical terms, and improved comment consistency
python/sedona/spark/geopandas/geodataframe.py	Removed duplicate import, improved docstring formatting, and standardized terminology

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