Django-clickhouse-backend

---

- QuerySet supports setting query, you can pass in Clickhouse setting items, refer to [SETTINGS in SELECT Query](https://clickhouse.com/docs/en/sql-reference/statements/select/#settings-in-select)
- Fixed that the correct object id cannot be set when inserting data, bulk_create and create and save can display the correct id

---

- The fake_transaction attribute is added to the database connection. Setting this attribute during testing can prevent other database data that supports transactions such as postgresql from being emptied between transaction testcase.
- Added AutoField type, mapped to Int32
- Improve documentation about testing/migration/primary keys

---

- When the GenericIPAddressField type field is optimized to store ipv4 addresses, the default output type is Ipv6 format, and it is converted to the corresponding Ipv4 type

---

- Fixed the issue that the time zone is lost after the clickhouse driver escapes the datetime type value

---

- Added PositiveSmallIntegerField, PositiveIntegerField, PositiveBigIntegerField field types, corresponding to the correct clickhouse uint type range.

- Modified the README and corrected the description about unit testing.

---

- Solved the problem that the options.DEFAULT_NAMES monkey patch in clickhouse.models did not take effect when there were multiple apps.

- Improve the README, add the description of the auto-increment primary key, and adjust the format.