List GPG13 requirements

[albertomn86]

Related issue
#388

The PR wazuh/wazuh#3348 needs to be merged before.

This PR adds the call for listing the GPG13 requirements:

# curl -u foo:bar -k -X GET "http://127.0.0.1:55000/rules/gpg13?pretty"

{
   "error": 0,
   "data": {
      "items": [
         "1.3",
         "10.1",
         "3.1",
         "3.2",
         "3.3",
         "3.5",
         "3.6",
         "3.7",
         "4.1",
         "4.10",
         "4.11",
         "4.12",
         "4.13",
         "4.14",
         "4.2",
         "4.3",
         "4.4",
         "4.6",
         "4.8",
         "7.1",
         "7.10",
         "7.13",
         "7.2",
         "7.5",
         "7.6",
         "7.8",
         "7.9",
         "71"
      ],
      "totalItems": 28
   }
}

[davidjiglesias]

Updated and run mocha tests:

Rules
    GET/rules
      ✓ Request (277ms)
      ✓ Pagination (256ms)
      ✓ Retrieve all elements with limit=0 (257ms)
      ✓ Sort (263ms)
      ✓ Search (347ms)
      ✓ Filters: Invalid filter
      ✓ Filters: Invalid filter - Extra field
      ✓ Filters: status (263ms)
      ✓ Filters: group (285ms)
      ✓ Filters: level (1) (269ms)
      ✓ Filters: level (2) (362ms)
      ✓ Filters: path (264ms)
      ✓ Filters: file (264ms)
      ✓ Filters: pci (333ms)
      ✓ Filters: gdpr (259ms)
      ✓ Filters: gpg13 (253ms)
    GET/rules/groups
      ✓ Request (254ms)
      ✓ Pagination (255ms)
      ✓ Retrieve all elements with limit=0 (257ms)
      ✓ Sort (254ms)
      ✓ Search (256ms)
      ✓ Filters: Invalid filter
    GET/rules/pci
      ✓ Request (263ms)
      ✓ Pagination (257ms)
      ✓ Retrieve all elements with limit=0 (258ms)
      ✓ Sort (259ms)
      ✓ Search (258ms)
      ✓ Filters: Invalid filter
    GET/rules/gdpr
      ✓ Request (259ms)
      ✓ Pagination (258ms)
      ✓ Retrieve all elements with limit=0 (256ms)
      ✓ Sort (257ms)
      ✓ Search (256ms)
      ✓ Filters: Invalid filter
    GET/rules/gpg13
      ✓ Request (256ms)
      ✓ Pagination (273ms)
      ✓ Retrieve all elements with limit=0 (262ms)
      ✓ Sort (268ms)
      ✓ Search (284ms)
      ✓ Filters: Invalid filter
    GET/rules/files
      ✓ Request (204ms)
      ✓ Pagination (182ms)
      ✓ Retrieve all elements with limit=0 (174ms)
      ✓ Sort (190ms)
      ✓ Search (174ms)
      ✓ Filters: Invalid filter
      ✓ Filters: Invalid filter - Extra field
      ✓ Filters: status (166ms)
      ✓ Filters: download (174ms)
    GET/rules/:rule_id
      ✓ Request (276ms)
      ✓ Pagination (260ms)
      ✓ Retrieve all elements with limit=0 (255ms)
      ✓ Sort (280ms)
      ✓ Search (283ms)
      ✓ Filters: Invalid filter
      ✓ Params: Bad rule id
      ✓ Params: No rule (286ms)

57 passing (12s)

[crd1985]

Pending wazuh/wazuh#3348 to merge