Using add_keys_to_agent in ssh_config module (#10337)

* Using add_keys_to_agent in ssh_config module

* removed white space

* Apply suggestion

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Co-authored-by: Abhijeet Kasurde <akasurde@redhat.com>

plugins/modules/ssh_config.py

@@ -162,6 +162,15 @@ EXAMPLES = r"""
     other_options:
       serveraliveinterval: '30'
 
+- name: Add SSH config with key auto-added to agent
+  community.general.ssh_config:
+    user: devops
+    host: "example.com"
+    hostname: "staging.example.com"
+    identity_file: "/home/devops/.ssh/id_rsa"
+    add_keys_to_agent: true
+    state: present
+
 - name: Delete a host from the configuration
   community.general.ssh_config:
     ssh_config_file: "{{ ssh_config_test }}"