feat: add nano-banana image generation adapter to Taskfile

Author: kulikp1

dev-demo/Taskfile.yaml

@@ -52,6 +52,7 @@ vars:
     - "adminforth-completion-adapter-google-gemini"
     - "adminforth-key-value-adapter-redis"
     - "adminforth-key-value-adapter-leveldb"
+    - "adminforth-image-generation-adapter-nano-banana"
 
 
 tasks: