Update base-edge.mdx closes xyflow/xyflow#3332

Author: moklick

docs/api/edges/base-edge.mdx

@@ -28,6 +28,7 @@ function CustomEdge(props: EdgeProps) {
 
 You can pass the following props to the `<BaseEdge />` component:
 
+- `id`: string
 - `path`: string
 - `labelX`: number
 - `labelY`: number