update filename

Author: kmurphypolygon

docs/cdk/cdk-modes.jpg

@@ -2,4 +2,6 @@ Polygon's Chain Development Kit (CDK) is a software tool for blockchain develope
 
 !!! warning
     - At the time of writing, the CDK only supports validium nodes.
-    - zkEVM rollups and more are in development.
+    - zkEVM rollups and more are in development.
+
+![CDK flavors](cdk-modes.jpg)

docs/cdk/deployment-validium.md docs/cdk/deploy-validium.mddocs/cdk/deployment-validium.md renamed to docs/cdk/deploy-validium.md

@@ -50,7 +50,7 @@ nav:
       - Get started:
         - Overview: cdk/overview.md
         - Quickstart: cdk/quickstart.md
-        - Deploy in validium mode: cdk/deployment-validium.md
+        - Deploy validium: cdk/deploy-validium.md
       - How to: 
         - Manage policies: cdk/how-to/manage-policies.md
       - Architecture: