add Dagster to integrations page

src/data/connectors.json

@@ -44,6 +44,15 @@
     "tags": ["ClickHouse"],
     "thumbnail": "./images/connectors/clickhouse_logo.png"
   },
+  {
+    "name": "Dagster",
+    "description": "Use the Delta Lake IO Manager to read from and write to Delta Lake in your Dagster orchestration pipelines.",
+    "url": "https://dagster.io/",
+    "docs": "https://delta-io.github.io/delta-rs/integrations/delta-lake-dagster/",
+    "source_code": "https://github.com/dagster-io/dagster/tree/e556a8a1d0062ac17e169e656c20fb68f82e8450/python_modules/libraries/dagster-deltalake",
+    "tags": ["Dagster", "Python"],
+    "thumbnail": "./images/connectors/dagster.png"
+  },
   {
     "name": "Delta Rust API ",
     "description": "This library allows Rust (with Python bindings) low level access to Delta tables and is intended to be used with data processing frameworks like datafusion, ballista, rust-dataframe, vega, etc.",