Docs: add interactive init to quickstart docs (#4736)

Co-authored-by: Sung Won Chung <sungwonchung3@gmail.com>

Author: treysp

docs/integrations/overview.md

@@ -9,20 +9,20 @@ SQLMesh supports integrations with the following tools:
 * [Kestra](https://kestra.io/plugins/plugin-sqlmesh/tasks/cli/io.kestra.plugin.sqlmesh.cli.sqlmeshcli)
 
 ## Execution engines
-SQLMesh supports the following execution engines for running SQLMesh projects:
+SQLMesh supports the following execution engines for running SQLMesh projects (engine `type` in parentheses - example usage: `pip install "sqlmesh[databricks]"`):
 
-* [Athena](./engines/athena.md)
-* [Azure SQL](./engines/azuresql.md)
-* [BigQuery](./engines/bigquery.md)
-* [ClickHouse](./engines/clickhouse.md)
-* [Databricks](./engines/databricks.md)
-* [DuckDB](./engines/duckdb.md)
-* [MotherDuck](./engines/motherduck.md)
-* [MSSQL](./engines/mssql.md)
-* [MySQL](./engines/mysql.md)
-* [Postgres](./engines/postgres.md)
-* [GCP Postgres](./engines/gcp-postgres.md)
-* [Redshift](./engines/redshift.md)
-* [Snowflake](./engines/snowflake.md)
-* [Spark](./engines/spark.md)
-* [Trino](./engines/trino.md)
+* [Athena](./engines/athena.md) (athena)
+* [Azure SQL](./engines/azuresql.md) (azuresql)
+* [BigQuery](./engines/bigquery.md) (bigquery)
+* [ClickHouse](./engines/clickhouse.md) (clickhouse)
+* [Databricks](./engines/databricks.md) (databricks)
+* [DuckDB](./engines/duckdb.md) (duckdb)
+* [MotherDuck](./engines/motherduck.md) (motherduck)
+* [MSSQL](./engines/mssql.md) (mssql)
+* [MySQL](./engines/mysql.md) (mysql)
+* [Postgres](./engines/postgres.md) (postgres)
+* [GCP Postgres](./engines/gcp-postgres.md) (gcppostgres)
+* [Redshift](./engines/redshift.md) (redshift)
+* [Snowflake](./engines/snowflake.md) (snowflake)
+* [Spark](./engines/spark.md) (spark)
+* [Trino](./engines/trino.md) (trino)