Add missing events to dashboard docs

Author: Murderlon

docs/user-interfaces/dashboard.mdx

@@ -699,6 +699,22 @@ FileCard panel is then open with file metadata available for editing.
 
 Fired when the user finished editing the file metadata.
 
+#### `dashboard:show-panel`
+
+**Parameters:**
+
+- `id` — the active plugin ID .
+
+Fired when the user opens a UI plugin.
+
+#### `dashboard:hide-panel`
+
+**Parameters:**
+
+- `id` — the previously active plugin ID .
+
+Fired when the user closes a UI plugin.
+
 ## Integrations
 
 These are the plugins specifically made for the Dashboard. This is not a list of