Ability to configure db connection settings

[bsushmith]

Summary Ability to configure db connection settings while connecting to the database.

database/sql already supports some of these - https://pkg.go.dev/database/sql#DB.SetConnMaxLifetime https://pkg.go.dev/database/sql#DB.SetMaxIdleConns https://pkg.go.dev/database/sql#DB.SetMaxOpenConns https://pkg.go.dev/database/sql#DB.SetMaxOpenConns