net_lldp_interface module implementation for junos (#26915)

*  junos_lldp_interface module implementation
*  junos_lldp_interface integration test
*  net_lldp_interface module intgration test for junos
*  Add lldp configuration parameter in junos_lldp
*  Modify junos_lldp testcase as per above change
*  Add net_lldp_interface module documentation

test/integration/targets/net_lldp_interface/tests/junos/basic.yaml

@@ -0,0 +1,78 @@
+---
+- debug: msg="START net_lldp_interface junos/basic.yaml"
+
+- name: setup - Remove lldp interface configuration
+  net_lldp_interface:
+    name: ge-0/0/5
+    state: absent
+    provider: "{{ netconf }}"
+
+- name: lldp interface configuration
+  net_lldp_interface:
+    name: ge-0/0/5
+    state: present
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'+    interface ge-0/0/5;' in result.diff.prepared"
+
+- name: lldp interface configuration (idempotent)
+  net_lldp_interface:
+    name: ge-0/0/5
+    state: present
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == false"
+
+- name: Disable lldp on particular interface
+  net_lldp_interface:
+    name: ge-0/0/5
+    state: disabled
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'[edit protocols lldp interface ge-0/0/5]\n+    disable;' in result.diff.prepared"
+
+- name: Enable lldp on particular interface
+  net_lldp_interface:
+    name: ge-0/0/5
+    state: enabled
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'[edit protocols lldp interface ge-0/0/5]\n-    disable;' in result.diff.prepared"
+
+- name: Delete lldp on particular interface
+  net_lldp_interface:
+    name: ge-0/0/5
+    state: absent
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'[edit protocols lldp]\n-    interface ge-0/0/5;' in result.diff.prepared"
+
+- name: Delete lldp on particular interface (idempotent)
+  net_lldp_interface:
+    name: ge-0/0/5
+    state: absent
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == false"

test/integration/targets/net_lldp_interface/tests/netconf/basic.yaml

@@ -0,0 +1,3 @@
+---
+- include: "{{ role_path }}/tests/junos/basic.yaml"
+  when: hostvars[inventory_hostname]['ansible_network_os'] == 'junos'