v4.0.17
fix test.md
Sync docs from dev
Update basic-usage.md
Doc note on conn strings
Started contribution guide
[Docs] Fix COPY import cancellation instructions
FAQ note about PG11 stored procedures
Update TCP keepalive docs
New docfx docs
Fix broken link in docs
New "basic usage" page in the docs
Automatically enlist to TransactionScope
Update wait.md (#1953)