New module: platform agnostic way to manage local users on network devices (network/net_user.) (#25259)

* Add net_user platform agnostic module

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

* Integration test for net_user

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

* modify eos_user module to support name param as alias to username

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

* Test collection of users

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

test/integration/targets/net_user/tasks/cli.yaml

@@ -0,0 +1,16 @@
+---
+- name: collect all cli test cases
+  find:
+    paths: "{{ role_path }}/tests/cli"
+    patterns: "{{ testcase }}.yaml"
+  register: test_cases
+  delegate_to: localhost
+
+- name: set test_items
+  set_fact: test_items="{{ test_cases.files | map(attribute='path') | list }}"
+
+- name: run test case
+  include: "{{ test_case_to_run }}"
+  with_items: "{{ test_items }}"
+  loop_control:
+    loop_var: test_case_to_run

test/integration/targets/net_user/tasks/main.yaml

@@ -0,0 +1,2 @@
+---
+- { include: cli.yaml, tags: ['cli'] }