- [FEAT] New APIs for Maintenance Mode and rewrite commands system

- [FEAT] Improved config system to fix old loading bugs and support JSON
- [FEAT] LuckPerms support for commands

Common/src/main/java/com/hypherionmc/craterlib/compat/LuckPermsCompat.java

@@ -0,0 +1,20 @@
+package com.hypherionmc.craterlib.compat;
+
+import net.luckperms.api.LuckPerms;
+import net.luckperms.api.LuckPermsProvider;
+import net.luckperms.api.model.user.User;
+import net.minecraft.server.level.ServerPlayer;
+
+public class LuckPermsCompat {
+
+    public static final LuckPermsCompat INSTANCE = new LuckPermsCompat();
+    private final LuckPerms luckPerms = LuckPermsProvider.get();
+
+    LuckPermsCompat() {}
+
+    public boolean hasPermission(ServerPlayer player, String perm) {
+        User luckPermsUser = luckPerms.getPlayerAdapter(ServerPlayer.class).getUser(player);
+        return luckPermsUser.getCachedData().getPermissionData().checkPermission(perm).asBoolean();
+    }
+
+}