Cleanup code

Run modernize -fix -test ./...

Fix last commit

Regenerate LICENSE and README.md

Add godriver name as alias as well so \c gocosmos ... works in usql

Support duckdb empty path to specify in-memory DB

Closes #41

Updating test workflow

Adding transport support for Clickhouse DSNs

Adding BuildDSN, OpenMap, and FromMap funcs

Updating default port for Couchbase