net_command platform agnostic module (#25249)

* net_command platform agnostic implementation

Signed-off-by: Trishna Guha <trishnaguha17@gmail.com>

* Add net_command platform agnostic module

Signed-off-by: Trishna Guha <trishnaguha17@gmail.com>

* Add integration test for net_command module

Signed-off-by: Trishna Guha <trishnaguha17@gmail.com>

* fix yaml issue

test/integration/targets/net_command/tests/vyos/contains.yaml

@@ -0,0 +1,21 @@
+---
+- debug: msg="START vyos/contains.yaml"
+
+- name: test contains operator
+  net_command:
+    commands:
+      - show version
+      - show interface
+    wait_for:
+      - result[0] contains VyOS
+      - result[1] contains eth0
+    provider: "{{ cli }}"
+  register: result
+
+- assert:
+    that:
+      - result.changed == false
+      - result.stdout is defined
+      - result.stdout_lines is defined
+
+- debug: msg="END vyos/contains.yaml"