Surrealist

- fix tests and examples

- versionstamp is now can be used in SINCE statement for SHOW
- by default, if no SINCE were specified Show statement generates SINCE 1
- add DEFINE CONFIG statement, only Database object can use it
- add examples and tests for Show
- add examples and tests for DEFINE CONFIG
- count for non-existent table now returns error (not 0)
- fix tests

- minor examples fix
- minor pylint and readme fixes

- fix record ids bug (cause SDB since 2.0 not convert string to record_id)
- Readme [block for RecordId](https://github.com/kotolex/surrealist?tab=readme-ov-file#using-recordid)
- examples [for RecordId](https://github.com/kotolex/surrealist/blob/master/examples/record_id.py)
- create RecordId object to work with string or uid/ulid record_id
- now all methods can use RecordId, but strings can be used too for compatibility
- now connection, database and table objects store transport type (http or ws)
- redundant DATA_LENGTH_FOR_LOGS was removed
- refactoring
- add tests, examples and docs for record ids

- fix datetime bug for fields (prefix d')
- add tests, examples and docs for datetimes
- add test runs for Python 3.13

minor fixes