Fix Electric Spawner (#323)

Author: tier940

src/main/java/com/github/gtexpert/core/common/GTEConfigHolder.java

@@ -41,6 +41,8 @@ public static class ModpackFlag {
         @Config.Comment({
                 "1. When enabled, the following recipes will be changed to Peaceful difficulty: ",
                 "Nether Star Dust, Skeleton Skull, Wither Skeleton Skull, Zombie Head, Creeper Head, Enderman Head",
+                "2. When enabled, some machine recipes are for Peaceful: ",
+                "Electric Spawner",
                 "Default: false" })
         public boolean peacefulFlag = false;