* feat: extend column options interfaces to also support Postgres10+ Identity generationStrategy
* feat: extend PrimaryGeneratedColumn support for Postgres10+ identity
* feat: update buildCreateColumnSql with Postgres10+ IDENTITY support
* feat: update loadTables for Postgres10+ IDENTITY column recognition
* doc: add description of identity support for PrimaryGeneratedColumn
* test: add test for SQL of table with IDENTITY COLUMN in Postgres 10+
* feat: take identity generation type into consideration when checking for changed column
* fix: better non behavior changing way of checking for identity column
* chore: rebase and resolve PR conversations