Documentation copy and style edits Delta Lake

[tlblessing]

Description

Edits to make corrections for:

• Improper grammar
• Typos
• Improper capitalization
• Incorrect punctuation, such as comma usage
• Add adjectives to make subjects clear
• Formatting for default values
• Line wrapping to 80 char where possible per conventions

Noticed these last year while working on fixing the description of the delta.domain-compaction-threshold export config property.

Additional context and related issues

• Document domain-compaction-threshold description #12965
• Correct the description of the delta.domain-compaction-threshold export config property #13039

Release notes

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[mosabua]

Good improvements. Just needs a few small updates and then ready to go.

[mosabua]

A couple of more edits needed. Also please change the commit message to

Improve style of Delta Lake connector documentation