docs: add option workspace_swipe_edge

README.md

@@ -109,6 +109,12 @@ plugin {
     # must be >= 3
     workspace_swipe_fingers = 3
 
+    # switching workspaces by swiping from an edge, this is separate from workspace_swipe_fingers
+    # and can be used at the same time
+    # possible values: l, r, u, or d
+    # to disable it set it to anything else
+    workspace_swipe_edge = d
+
     # in milliseconds
     long_press_delay = 400