feat: update documentation structure and remove 'full' property from MDX files

- Enhanced the DocsPage component by adding table of content and popover configurations.
- Removed the 'full' property from multiple MDX files to streamline documentation structure.
- Updated meta.json to reflect new documentation organization and added a 'connectors' page.

surfsense_web/content/docs/connectors/gmail.mdx

@@ -0,0 +1,34 @@
+---
+title: Gmail
+description: Connect your Gmail to SurfSense
+---
+
+# Gmail Connector
+
+Index your Gmail emails and make them searchable.
+
+## Prerequisites
+
+- A Google account
+- Google OAuth configured in SurfSense (see [Prerequisites](/docs))
+- Gmail API enabled in Google Cloud Console
+
+## Setup
+
+1. Navigate to your Search Space settings
+2. Click on **Add Connector**
+3. Select **Gmail** from the list
+4. Authorize SurfSense to access your Gmail
+5. Configure which labels/folders to index
+
+## What Gets Indexed
+
+- Email content
+- Email attachments
+- Thread conversations
+- Labels and categories
+
+## Sync Frequency
+
+The Gmail connector supports scheduled syncing to keep your emails indexed.
+