Added basic migraton docs changes

Remove change that likely will not require migration changes

Cannot determine what the behavior was before

Updated ** replacement suggestion

Remove extra indent at end of file

Fix linting issue that needed a trailing indent

Fix a typo in docs

Removed .gitignore corrected a single rule

Added basic migraton docs changes

Fix linting issue that needed a trailing indent

Fix a typo in docs

Correct grammar issue

Co-authored-by: Ned Batchelder <ned@nedbatchelder.com>

Correct rule and spelling

Remove personal gitignore config

Removed duplicated license text

Added extra space

Take suggestions from ned

Co-authored-by: Ned Batchelder <ned@nedbatchelder.com>