docs: improve Airtable wrapper documentation (supabase#544)

* docs: improve Airtable wrapper documentation

- Add comprehensive data type mapping tables
- Add column name mapping section with examples
- Add working with array and JSON fields section
- Add troubleshooting section
- Enhance examples with practical use cases

Fixes supabase#170

* docs: remove column_name optoin

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Co-authored-by: Bo Lu <[email protected]>

Author: JohnCari