!2 移除图形验证码 && api限流 && 账户限流

* 账户登录限流
* added: api限流
* 移除图形验证码

src/main/java/xyz/playedu/api/config/PlayEduConfig.java

@@ -26,4 +26,10 @@ public class PlayEduConfig {
 
     @Value("${spring.profiles.active}")
     private String env;
+
+    @Value("${playedu.limiter.duration}")
+    private Long limiterDuration;
+
+    @Value("${playedu.limiter.limit}")
+    private Long limiterLimit;
 }