New module: management of the Nuage Networks VSP SDN solution (network/nuage/nuage_vspk) (#24895)

* Nuage module and unit tests with requested changes

* Cleanup of imports

* Adding check on python version

* Adding import try and catch wrappers

* Cleanup of requirements and adding integration tests

* Using pypi package for simulator

* Cleanup of requirements and adding integration tests

* Adding aliases for integration tests

* Adding module to import sanity test skip list

* Revert "Adding module to import sanity test skip list"

This reverts commit eab23af8c5ca7c503af63c05610b5db66d31fae4.

* Adding check for importlib and cleanup of requirements

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

@@ -0,0 +1,17 @@
+---
+
+- name: collect all test cases
+  find:
+    paths: "{{ role_path }}/tests"
+    patterns: "{{ testcase }}.yaml"
+  delegate_to: localhost
+  register: test_cases
+
+- 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