readme: maven central instructions

Author: Bixilon

README.md

@@ -29,6 +29,7 @@ To have a quick idea what this library offers, take a look at the [tests](https:
 
 With Gradle `kx.util` plugin, everything is nicely aligned and the boilerplate code is gone
 
+#### mary
 ```kotlin
 repositories {
     maven("https://raw.githubusercontent.com/kotlin-graphics/mary/master")
@@ -39,6 +40,12 @@ dependencies {
     implementation("kotlin.graphics:unsigned:3.3.32")
 }
 ```
+#### maven central
+```kotlin
+dependencies {
+    implementation("io.github.kotlin-graphics:kotlin-unsigned:3.3.32")
+}
+```
 
 You can find more info by [mary](https://github.com/kotlin-graphics/mary)