ACI: Add types to modules and doc fragment (#49997)

* ACI: Add types to module doc fragment

* Add types to ACI modules too

lib/ansible/modules/network/aci/aci_config_rollback.py

@@ -29,16 +29,20 @@ options:
   compare_export_policy:
     description:
     - The export policy that the C(compare_snapshot) is associated to.
+    type: str
   compare_snapshot:
     description:
     - The name of the snapshot to compare with C(snapshot).
+    type: str
   description:
     description:
     - The description for the Import Policy.
+    type: str
     aliases: [ descr ]
   export_policy:
     description:
     - The export policy that the C(snapshot) is associated to.
+    type: str
     required: yes
   fail_on_decrypt:
     description:
@@ -49,24 +53,29 @@ options:
     description:
     - Determines how the import should be handled by the APIC.
     - The APIC defaults to C(atomic) when unset.
+    type: str
     choices: [ atomic, best-effort ]
   import_policy:
     description:
     - The name of the Import Policy to use for config rollback.
+    type: str
   import_type:
     description:
     - Determines how the current and snapshot configuration should be compared for replacement.
     - The APIC defaults to C(replace) when unset.
+    type: str
     choices: [ merge, replace ]
   snapshot:
     description:
     - The name of the snapshot to rollback to, or the base snapshot to use for comparison.
     - The C(aci_snapshot) module can be used to query the list of available snapshots.
+    type: str
     required: yes
   state:
     description:
     - Use C(preview) for previewing the diff between two snapshots.
     - Use C(rollback) for reverting the configuration to a previous snapshot.
+    type: str
     choices: [ preview, rollback ]
     default: rollback
 extends_documentation_fragment: aci