docs: add integrations documentation and images for enterprise features (#2981)

- Introduced a new documentation file for Integrations, detailing supported services and setup instructions.
- Updated the main docs.json to include the new "integrations" feature in the contextual options.
- Added several images related to integrations to enhance the documentation.

Co-authored-by: Tony Kipkemboi <iamtonykipkemboi@gmail.com>

docs/docs.json

@@ -9,7 +9,12 @@
   },
   "favicon": "images/favicon.svg",
   "contextual": {
-    "options": ["copy", "view", "chatgpt", "claude"]
+    "options": [
+      "copy",
+      "view",
+      "chatgpt",
+      "claude"
+    ]
   },
   "navigation": {
     "tabs": [
@@ -257,7 +262,8 @@
               "enterprise/features/tool-repository",
               "enterprise/features/webhook-streaming",
               "enterprise/features/traces",
-              "enterprise/features/hallucination-guardrail"
+              "enterprise/features/hallucination-guardrail",
+              "enterprise/features/integrations"
             ]
           },
           {