feat: 新增 SaFirewallStrategy 防火墙策略：请求 path 黑名单校验、非法字符校验、白名单放行

sa-token-demo/sa-token-demo-test/src/main/java/com/pj/test/Test2Controller.java

@@ -0,0 +1,22 @@
+package com.pj.test;
+
+import cn.dev33.satoken.util.SaResult;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * 测试专用Controller 
+ * @author click33
+ *
+ */
+@RestController
+public class Test2Controller {
+
+	// 测试登录  ---- http://localhost:8081/.test
+	@RequestMapping("/.test")
+	public SaResult test2() {
+		System.out.println("--- 进来了");
+		return SaResult.ok("登录成功");
+	}
+
+}