feat: initial traffic inspector docs

Signed-off-by: Russ Savage <[email protected]>

docs/obs/traffic-inspection.mdx

@@ -0,0 +1,39 @@
+---
+title: Traffic Inspection
+pagination_next: obs/reference
+---
+
+:::note
+
+These docs are a work in progress and will be updated in the coming weeks as we roll the developer preview out to all users.
+
+:::
+
+# Traffic Inspection
+
+## Overview
+
+One of the main advantages of using ngrok is the ability to view the traffic going
+to your origin service. This can help in triaging tough bugs or testing new capabilities.
+
+ngrok offers multiple ways to inspect the traffic going to your service.
+
+|                                                                              |                                                                                                                                                                                           |
+| ---------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| [ngrok Agent Local Traffic Inspector](/docs/agent/web-inspection-interface/) | This is available when working with the standalone agent and is usually found at http://localhost:4040. Look for a link in your ngrok agent console.                                      |
+| [ngrok Traffic Inspector](#ngrok-traffic-inspector)                          | A cloud based version of the local traffic inspector that is available in your [ngrok Dashboard](https://dashboard.ngrok.com/observability/traffic-insights). See below for more details. |
+
+## ngrok Traffic Inspector
+
+:::note
+
+ngrok Traffic Inspector is currently in developer preview and only available to
+specific customers. While in developer preview, you will not be charged anything additional and things will change and break
+without notice, and data may be lost at any time. If you have feedback or questions
+please [reach out to the product team](mailto:[email protected]?subject=Traffic%20Insights%20Feedback).
+
+:::
+
+## Full Capture mode
+
+Coming soon. If you need to view request and response bodies, in the meantime, you can leverage the [ngrok Agent Local Traffic Inspector](/docs/agent/web-inspection-interface/#inspecting-requests) which is available in the standalone agent.

sidebars.js

@@ -252,7 +252,7 @@ const sidebars = {
 			label: "Observability",
 			type: "category",
 			link: { type: "doc", id: "obs/index" },
-			items: ["obs/index", "obs/reference"],
+			items: ["obs/index", "obs/traffic-inspection", "obs/reference"],
 		},
 		{
 			label: "IAM",