chore: add postgres docs (#1090)

Author: jemeza-codegen

docs/docs.json

@@ -32,7 +32,8 @@
 							"integrations/linear",
 							"integrations/github",
 							"integrations/web-search",
-							"integrations/sandboxes"
+							"integrations/sandboxes",
+							"integrations/postgres"
 						]
 					}
 				]

docs/integrations/postgres.mdx

@@ -0,0 +1,41 @@
+---
+title: "Postgres Integration"
+sidebarTitle: "Postgres"
+icon: "database"
+---
+
+Integrate Codegen with your Postgres (or Postgres-compatible databases) to enable database querying capabilities.
+
+## Installation
+
+Connect your database to Codegen by configuring your database credentials in the settings.
+
+<Card
+  title="Configure Database Access"
+  icon="shield"
+  href="https://codegen.com/settings/postgres"
+>
+  Set up your database connection credentials in the secure settings panel.
+</Card>
+
+<Note type="warning">
+  For security reasons, it is strongly recommended to configure credentials with READ-ONLY access.
+  Providing write access to automated agents could potentially lead to unintended data modifications
+  or other negative consequences.
+</Note>
+
+## Capabilities
+
+The Postgres integration provides secure database access enabling agents to:
+
+- **Query Data:** Execute SELECT queries to fetch information from your database
+- **Analyze Schema:** View table structures, relationships, and column definitions
+- **Generate Reports:** Create data summaries and analysis based on query results
+
+## How Agents Use Postgres
+
+Agents leverage the Postgres integration to assist with data-related tasks:
+
+- **Data Exploration:** Safely query your database to understand data structures and relationships
+- **Report Generation:** Create data-driven reports and analytics
+- **Schema Analysis:** Provide insights about database design and optimization