重写权限系统和完善权限管理

1. 添加 /qq 绑定QQ号
2. 输出信息时要求绑定qq

src/main/java/ren/taske/nativebot/bot/permission/Permission.java

@@ -0,0 +1,50 @@
+package ren.taske.nativebot.bot.permission;
+
+import java.util.HashMap;
+
+import ren.taske.nativebot.core.NativeBot;
+
+public class Permission {
+
+	private static final HashMap<String, Permission> PERMS = new HashMap<>();
+	
+	private static boolean lock;
+	
+	protected final String name;
+	protected final boolean def;
+	
+	private Permission(String name) {
+		this(name, false);
+	}
+	
+	private Permission(String name, boolean def) {
+		this.name = name;
+		this.def  = def;
+	}
+	
+	public static Permission of(String name) {
+		return of(name, false);
+	}
+	
+	public static Permission of(String name, boolean def) {
+		if(!PERMS.containsKey(name)) {
+			if(lock) return null;
+			PERMS.put(name, new Permission(name, def));
+			NativeBot.logger().info("Register Permission Node "+name + " (def: " + def + ")");
+		}
+		return PERMS.get(name);
+	}
+	
+	public static void lock() {
+		lock = true;
+	}
+	
+	public String getName() {
+		return this.name;
+	}
+	
+	public boolean getDefault() {
+		return this.def;
+	}
+	
+}