docs for prev workspace switch (Hyprland PR #352)

pages/Configuring/Advanced-config.md

@@ -304,6 +304,8 @@ You have six choices:
 
 - Name: e.g. `name:Web`, `name:Anime` or `name:Better anime`
 
+- Previous workspace: `previous`
+
 - Special Workspace: `special`
 
 {{< hint type=warning >}}

pages/Configuring/Basic-Config.md

@@ -178,6 +178,8 @@ Described [here](../Advanced-config#per-device-input-configs).
 |---|---|---|---|---|
 | pass_mouse_when_bound | if disabled, will not pass the mouse events to apps / dragging windows around if a keybind has been triggered. | bool | true |
 | scroll_event_delay | in ms, how many ms to wait after a scroll event to allow to pass another one for the binds. | int | 300 |
+| workspace_back_and_forth | If enabled, an attempt to switch to the currently focused workspace will instead switch to the previous workspace. Akin to i3's *auto_back_and_forth*. | int | 0 |
+| allow_workspace_cycles | If enabled, workspaces don't forget their previous workspace, so cycles can be created by switching to the first workspace in a sequence, then endlessly going to the previous workspace. | int | 0 |
 
 ## Debug