docs(auto-edit): add instructions for configuring Fireworks as an allowed LLM provider (via Aravind)

This change adds a new section to the auto-edit feature documentation that provides an example of how to configure Fireworks as an allowed LLM provider in the Sourcegraph Cody Gateway model configuration. This allows users to utilize Fireworks models for the auto-edit feature.

Author: jdorfman

docs/cody/capabilities/auto-edit.mdx

@@ -26,9 +26,33 @@ Auto-edit is available for Enterprise customers with [Sourcegraph Cody Gateway](
 
 1. Site administrators must:
    - Enable the feature flag `cody-autoedit-experiment-enabled-flag`
-   - Designate `fireworks::*` as an [allowed provider](https://sourcegraph.com/docs/cody/enterprise/model-configuration#model-filters)
+   - Add `fireworks::*` as an [allowed provider](https://sourcegraph.com/docs/cody/enterprise/model-configuration#model-filters) (see below)
 2. Once enabled, developers will receive a notification in their editor to turn it on
 
+The following example demonstrates how to add Fireworks as an allowed LLM provider:
+
+```json
+
+"cody.enabled": true,
+"modelConfiguration": {
+  "sourcegraph": {
+    "modelFilters": {
+      // Only allow "beta" and "stable" models.
+      // Not "experimental" or "deprecated".
+      "statusFilter": ["beta", "stable"],
+ 
+      // Allow any models provided by Anthropic, OpenAI, Google and Fireworks.
+      "allow": [
+        "anthropic::*", // Anthropic models
+        "openai::*", // OpenAI models
+        "google::*", // Google Gemini models
+        "fireworks::*", // Open source models hosted by Sourcegraph
+      ],
+    }
+  }
+}
+```
+
 ## How does auto-edit work?
 
 The system detects potential changes based on the following: