Revert dig time in creative mode to 0.5

This made it impossible to punch things without breaking them in creative

mods/creative/init.lua

@@ -122,7 +122,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 end)
 
 if minetest.setting_getbool("creative_mode") then
-	
+	local digtime = 0.5
 	minetest.register_item(":", {
 		type = "none",
 		wield_image = "wieldhand.png",
@@ -132,11 +132,11 @@ if minetest.setting_getbool("creative_mode") then
 			full_punch_interval = 0.5,
 			max_drop_level = 3,
 			groupcaps = {
-				crumbly = {times={[1]=0.0, [2]=0.0, [3]=0.0}, uses=0, maxlevel=3},
-				cracky = {times={[1]=0.0, [2]=0.0, [3]=0.0}, uses=0, maxlevel=3},
-				snappy = {times={[1]=0.0, [2]=0.0, [3]=0.0}, uses=0, maxlevel=3},
-				choppy = {times={[1]=0.0, [2]=0.0, [3]=0.0}, uses=0, maxlevel=3},
-				oddly_breakable_by_hand = {times={[1]=0.0, [2]=0.0, [3]=0.0}, uses=0, maxlevel=3},
+				crumbly = {times={[1]=digtime, [2]=digtime, [3]=digtime}, uses=0, maxlevel=3},
+				cracky = {times={[1]=digtime, [2]=digtime, [3]=digtime}, uses=0, maxlevel=3},
+				snappy = {times={[1]=digtime, [2]=digtime, [3]=digtime}, uses=0, maxlevel=3},
+				choppy = {times={[1]=digtime, [2]=digtime, [3]=digtime}, uses=0, maxlevel=3},
+				oddly_breakable_by_hand = {times={[1]=digtime, [2]=digtime, [3]=digtime}, uses=0, maxlevel=3},
 			},
 			damage_groups = {fleshy = 10},
 		}