docs: fix typos, grammatical errors

[Goodnight77]

This PR cleans up several documentation files to improve professional quality and technical accuracy

Key improvements:

• technical Fixes: Corrected "Jacobian" to "Jaccard" distance and "Bytemax" to "Bytewax"
• branding: fixed capitalization for Airbnb and Tesla
• typos & grammar: Removed word repetitions (e.g., "the the"), fixed common misspellings (e.g., "vecotr", "nymber"), and improved sentence flow in technical sections.
• consistency: standardized the use of hyphens in "pre-retrieval" and "retrieval-augmented"

[Copilot]

Pull request overview

This PR improves documentation quality across multiple articles by correcting spelling errors, grammatical mistakes, and technical inaccuracies. The changes enhance professional presentation and technical correctness without altering functionality.

Key improvements:

• Corrected technical terminology (e.g., "Jacobian" → "Jaccard", "Bytemax" → "Bytewax")
• Fixed brand name capitalizations (e.g., "AirBnB" → "Airbnb", "Telsa" → "Tesla", "Huggingface" → "Hugging Face")
• Addressed numerous typos and grammatical errors (e.g., "nymber" → "number", "vecotr" → "vector", "embdedded" → "embedded")
• Standardized hyphenation and removed word repetitions

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
social_media_retrieval.md	Fixed spelling errors (LinkedIn, Bytewax, non-ASCII, embedded) and corrected variable name reference
retrieval_augmented_generation.md	Corrected Tesla brand name spelling
readme.md	Fixed typos in article titles (Social Media, Optimizing) and added missing word "can"
kg_ontologies.md	Corrected spelling errors (indispensable, department)
hybrid_search_&_rerank_rag.md	Fixed variable name typo (retreiver → retriever)
ecomm-recys.md	Corrected Airbnb brand capitalization and removed duplicate word
custom_retriever_with_llamaindex.md	Multiple spelling/grammar fixes including improved sentence clarity and pronoun corrections
airbnb-search-benchmarking.md	Fixed numerous typos (nymber, vecotr, implment) and corrected duplicate HTML tag
advanced_retrieval_augmented_generation.md	Fixed brand name (Hugging Face), hyphenation (pre-retrieval), and verb agreement
Vector-Indexes.md	Corrected technical term (Jaccard), grammar improvements, and article usage (an SSD)

All changes represent legitimate fixes that have been properly applied. The documentation is now more professional and technically accurate.

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