feat: first stack window mfact setting

config.conf

@@ -19,11 +19,14 @@ scroller_default_proportion=0.8
 scoller_focus_center=0
 scroller_proportion_preset=0.5,0.8,1.0
 
-# Master-Stack Layout Setting
+# Master-Stack Layout Setting (tile,spiral,dwindle)
 new_is_master=1
 default_mfact=0.55
 default_nmaster=1
 smartgaps=0
+# only work in spiral and dwindlw
+default_smfact=0.5 
+
 
 # Overview Setting
 hotarea_size=10
@@ -168,6 +171,8 @@ bind=SUPER,e,incnmaster,1
 bind=SUPER,t,incnmaster,-1
 bind=ALT+CTRL,Left,setmfact,-0.01
 bind=ALT+CTRL,Right,setmfact,+0.01
+bind=ALT+CTRL,Up,setsmfact,-0.01
+bind=ALT+CTRL,Down,setsmfact,+0.01
 bind=ALT,s,zoom,