feat: Add support for Azure Data Explorer (Kusto) db engine spec (#17898)

* Add two Kusto engine specs: KQL and SQL. Some minor changes in core code to support Kusto engine specs.

* Remove redundant imports and logging.

* docs: Kusto sqlalchemy docs

* fix: Fix mypy and linting errors

* fix: Handle Black vs Pylint checks

* fix: isort problem

* refactor: Merge kustosql and kustokql in the single kusto module

* test: Add tests for Kusto db spec

* feat: Schema override does not require in KQL anymore

* Removed redundant imports.

* Added ".show" queries to readonly query determination.

* Fixed some bugs.
Added tests for convert_dttm.

* Fixed major sqlalchemy-kusto version.

* Fixed by isort.

Co-authored-by: Eugene Bikkinin <xnegxneg@gmail.com>
Co-authored-by: k.tomak <k.tomak@dodopizza.com>
Co-authored-by: Eugene Bikkinin <e.bikkinin@dodopizza.com>

superset/db_engine_specs/base.py

@@ -1381,6 +1381,10 @@ class BaseEngineSpec:  # pylint: disable=too-many-public-methods
 
         return False
 
+    @classmethod
+    def parse_sql(cls, sql: str) -> List[str]:
+        return [str(s).strip(" ;") for s in sqlparse.parse(sql)]
+
 
 # schema for adding a database by providing parameters instead of the
 # full SQLAlchemy URI