docs: update connection sharing page with all export/import methods

Author: datlechin

docs/features/connection-sharing.mdx

@@ -9,15 +9,19 @@ Share connections with your team using `.tablepro` files. Passwords are not incl
 
 ## Export
 
-Right-click a connection > **Export Connection...**. Select multiple first to export them together.
+- Right-click a connection > **Export Connection...**
+- Select multiple, then right-click > **Export N Connections...**
+- Drag a connection from the sidebar to Finder or Desktop
+- **File** menu > **Export Connections...** (exports all)
 
 The file includes host, port, username, type, SSH/SSL config, color, tag, group, and safe mode. Passwords are excluded.
 
 ## Import
 
 - Right-click empty area > **Import Connections...**
+- **File** menu > **Import Connections...**
 - Double-click a `.tablepro` file
-- Drag onto TablePro
+- Drag a `.tablepro` file onto TablePro
 
 A preview shows each connection before importing: