Update README.md

Author: skydoves

README.md

@@ -2,7 +2,7 @@
 
 
 <p align="center">
-☔ Fluent Kotlin expressions for handling single if-else statements, nullable, collections, and boolean.
+☔ Fluent Kotlin expressions for handling single if-else statements, nullable, collections, and boolean. This library supports Kotlin Multiplatform.
 </p>
 <br>
 
@@ -31,6 +31,18 @@ dependencies {
 }
 ```
 
+For Kotlin Multiplatform, add the dependency below to your module's `build.gradle.kts` file:
+
+```kotlin
+sourceSets {
+    val commonMain by getting {
+        dependencies {
+            implementation("com.github.skydoves:whatif:1.2.0")
+        }
+    }
+}
+```
+
 ## Usage
 
 ### WhatIf