update md

Author: JavaNoober

.idea/misc.xml

@@ -9,6 +9,11 @@ Add this to your app's build.gradle：
     implementation "com.android.support:appcompat-v7:$supportVersion"
     implementation 'com.noober.background:core:1.5.3'
 
+if use androidx：  
+
+    implementation "androidx.appcompat:appcompat:$supportVersion" 
+    implementation 'com.noober.background:core:1.5.3'
+
 
 ## Example effect
 show more in [wiki](https://github.com/JavaNoober/BackgroundLibrary/wiki)  

README-EN.md

@@ -12,6 +12,12 @@ A framework for directly generating shape through Tags, no need to write shape.x
     implementation "com.android.support:appcompat-v7:$supportVersion"
     implementation 'com.noober.background:core:1.5.3'
 
+如果项目使用了androidx：  
+
+    implementation "androidx.appcompat:appcompat:$supportVersion" 
+    implementation 'com.noober.background:core:1.5.3'
+   
+
 ## 使用文档
 
 **无需任何代码，直接加入bl标签属性即可，与原生view无缝衔接**，具体使用方法以及属性内容请查看[wiki](https://github.com/JavaNoober/BackgroundLibrary/wiki)