Update README.md

Updated the library version.
This version(2.2.2) solves the conflicting FileProvider issue when two app of the same device use this library

README.md

@@ -55,15 +55,15 @@ Download
 --------
 #### Gradle
 ```groovy
-implementation 'com.iceteck.silicompressorr:silicompressor:2.2.1'
+implementation 'com.iceteck.silicompressorr:silicompressor:2.2.2'
 ```
 
 ##### Maven
 ```xml
 <dependency>
   <groupId>com.iceteck.silicompressorr</groupId>
   <artifactId>silicompressor</artifactId>
-  <version>2.2.1</version>
+  <version>2.2.2</version>
   <type>aar</type>
 </dependency>
 ```