Added the Audit logs API documentation

Signed-off-by: Ihor Aleksandrychiev <ihor.aleksandrychiev@northern.tech>

Author: aleksandrychev

api/enterprise-api-ref/audit-logs-api.markdown

@@ -0,0 +1,148 @@
+---
+layout: default
+title: Audit logs API
+published: true
+---
+
+Audit logs API provides access to system audit logs that track user actions across the platform made to critical parts
+such as settings, host data, users, roles, Build projects, etc.
+
+## Get audit logs
+
+**URI:** https://hub.cfengine.com/api/audit-logs
+
+**Method:** GET
+
+**Parameters:**
+
+* **actor** *(string)*
+  Filter by user who performed the action.
+* **object_type** *(string)*
+  Filter by object type (see [Allowed object types][Audit logs API#Allowed object types]).
+* **action** *(string)*
+  Filter by action type (see [Allowed actions][Audit logs API#Allowed actions]).
+* **created_after** *(integer)*
+  Unix timestamp to filter logs after this time.
+* **created_before** *(integer)*
+  Unix timestamp to filter logs before this time.
+* **page** *(integer)*
+  Page number for pagination (default: 1).
+* **offset** *(integer)*
+    Number of results to skip for the processed query.
+* **sort_column** *(string)*
+    Column to sort by. Allowed values:
+    * time
+    * actor
+    * action
+    * object_id
+    * object_type
+* **sort_direction** *(string, default: "DESC")*
+  Sort direction. Allowed values:
+    * ASC (ascending)
+    * DESC (descending)
+
+**Example request (curl):**
+
+```console
+curl --user <username>:<password> -X GET https://hub.cfengine.com/api/audit-logs
+```
+
+**Successful response example:**
+
+```
+HTTP 200 OK
+{
+    "data": [
+        {
+            "id": 4,
+            "time": "2024-10-24 09:47:08.329041",
+            "actor": "admin",
+            "action": "created",
+            "object_type": "user",
+            "object_id": "test",
+            "details": [
+                "Created user `test`."
+            ]
+        },
+        {
+            "id": 3,
+            "time": "2024-10-24 09:46:56.204391",
+            "actor": "admin",
+            "action": "created",
+            "object_type": "role",
+            "object_id": "test",
+            "details": [
+                "Created role `test`.",
+                {
+                    "description": "test",
+                    "excludeContext": "",
+                    "includedContext": "test"
+                }
+            ]
+        },
+        {
+            "id": 2,
+            "time": "2024-10-24 09:46:42.595813",
+            "actor": "admin",
+            "action": "updated",
+            "object_type": "settings",
+            "object_id": null,
+            "details": [
+                "Settings updated.",
+                {
+                    "changes": [
+                        "minPasswordLength"
+                    ]
+                }
+            ]
+        }
+    ],
+    "meta": {
+        "count": 4,
+        "page": 1,
+        "timestamp": 1729763237,
+        "total": 4
+    }
+}
+```
+
+**Responses:**
+
+| HTTP response code           | Description                          |
+|------------------------------|--------------------------------------|
+| 200 OK                       | Audit logs returned                  |
+| 422 Unprocessable entity     | Validation error occurred            |
+| 401 Unauthorized             | Authorization is missing             |
+| 403 Insufficient permissions | Audit logs are not available to user |
+| 500 Internal server error    | Internal server error                |
+
+
+### Allowed actions
+
+| Action               | Description               |
+|----------------------|---------------------------|
+| created              | Resource creation         |
+| updated              | Resource update           |
+| deleted              | Resource deletion         |
+| deployed             | Deployment action         |
+| pushed               | Push action               |
+| module added         | Module addition           |
+| module deleted       | Module removal            |
+| module updated       | Module modification       |
+| module input updated | Module input modification |
+| CMDB updated         | CMDB update               |
+| CMDB deleted         | CMDB deletion             |
+| CMDB created         | CMDB creation             |
+| RBAC updated         | RBAC modification         |
+
+### Allowed object types
+
+| Object Type         | Description                                  |
+|---------------------|----------------------------------------------|
+| user                | User account                                 |
+| role                | Role definition                              |
+| settings            | System, Mail, VCS or Authentication settings |
+| federated reporting | Federated reporting configuration            |
+| group               | Host groups                                  |
+| host                | Host configuration                           |
+| Build project       | Build project configuration                  |