Added Db2 site to Connections index

Author: Andrzej Nagalski

docs/data-sources/index.md

@@ -119,6 +119,11 @@ DQOps supports the following data sources.
     <p>Databricks</p>
   </a>
 
+  <a href="Db2/" class="four-divs-element">
+    <img src="https://dqops.com/docs/images/data-sources/ibm-db2.svg">
+    <p>IBM Db2</p>
+  </a>
+
   <a href="deltalake/" class="four-divs-element">
     <img src="https://dqops.com/docs/images/data-sources/delta-lake2.svg">
     <p>Delta Lake</p>

mkdocs.yml

@@ -57,6 +57,7 @@ nav:
       - BigQuery: "data-sources/bigquery.md"
       - CSV: "data-sources/csv.md"
       - Databricks: "data-sources/databricks.md"
+      - Db2: "data-sources/db2.md"
       - Delta Lake: "data-sources/deltalake.md"
       - DuckDB: "data-sources/duckdb.md"
       - GCP: "data-sources/gcp.md"