add 996ICU license

README-zh.md

@@ -13,6 +13,10 @@
     <img alt="maven" src="https://img.shields.io/maven-central/v/com.baomidou/mybatis-plus.svg?style=flat-square">
   </a>
 
+  <a href="https://github.com/996icu/996.ICU/blob/master/LICENSE">
+    <img alt="996icu" src="https://img.shields.io/badge/license-NPL%20(The%20996%20Prohibited%20License)-blue.svg">
+  </a>
+
   <a href="https://www.apache.org/licenses/LICENSE-2.0">
     <img alt="code style" src="https://img.shields.io/badge/license-Apache%202-4EB1BA.svg?style=flat-square">
   </a>

README.md

@@ -13,6 +13,10 @@
     <img alt="maven" src="https://img.shields.io/maven-central/v/com.baomidou/mybatis-plus.svg?style=flat-square">
   </a>
 
+  <a href="https://github.com/996icu/996.ICU/blob/master/LICENSE">
+    <img alt="996icu" src="https://img.shields.io/badge/license-NPL%20(The%20996%20Prohibited%20License)-blue.svg">
+  </a>
+
   <a href="https://www.apache.org/licenses/LICENSE-2.0">
     <img alt="code style" src="https://img.shields.io/badge/license-Apache%202-4EB1BA.svg?style=flat-square">
   </a>