cli_command module (#42916)

* Create cli_command module to do direct cliconf calls

* Update edgeos cliconf signature to match.

* cli_command is cli-only

* Add tests

test/integration/targets/iosxr_smoke/tests/cli/cli_command.yaml

@@ -0,0 +1,32 @@
+---
+- debug:
+    msg: "START cli/cli_command.yaml on connection={{ ansible_connection }}"
+
+- block:
+    - name: get output for single command
+      cli_command:
+        commands:
+          - show version
+      register: result
+
+    - assert:
+        that:
+          - "result.changed == false"
+          - "result.stdout is defined"
+
+    - name: get output for multiple commands
+      cli_command:
+        commands:
+          - show version
+          - show interfaces
+      register: result
+
+    - assert:
+        that:
+          - "result.changed == false"
+          - "result.stdout is defined"
+          - "result.stdout | length == 2"
+
+  when: ansible_connection == 'network_cli'
+
+- debug: msg="END cli/cli_command.yaml on connection={{ ansible_connection }}"