adding ansible types in documentation (#303)

Signed-off-by: Modular Magician <magic-modules@google.com>

plugins/modules/gcp_container_node_pool_facts.py

@@ -44,6 +44,7 @@ options:
     description:
     - The location where the node pool is deployed.
     required: true
+    type: str
     aliases:
     - region
     - zone
@@ -57,6 +58,7 @@ options:
       to a gcp_container_cluster task and then set this cluster field to "{{ name-of-resource
       }}"'
     required: true
+    type: dict
 extends_documentation_fragment: gcp
 '''