feat: add dispatch toggleoverlay

config.conf

@@ -85,6 +85,7 @@ maxmizescreencolor=0x89aa61ff
 urgentcolor=0xad401fff
 scratchpadcolor=0x516c93ff
 globalcolor=0xb153a7ff
+overlaycolor=0x14a57cff
 
 # layout circle limit
 # if not set, it will circle all layout
@@ -196,6 +197,7 @@ bind=ALT,a,togglemaxmizescreen,
 bind=ALT,f,togglefullscreen,
 bind=ALT+SHIFT,f,togglefakefullscreen,
 bind=SUPER,i,minized,
+bind=SUPER,o,toggleoverlay,
 bind=SUPER+SHIFT,I,restore_minized
 bind=ALT,z,toggle_scratchpad