chore: add GitHubPackages repository

Author: ahunigel

build.gradle

@@ -31,6 +31,16 @@ dependencies {
 }
 
 publishing {
+    repositories {
+        maven {
+            name = "GitHubPackages"
+            url = uri("https://maven.pkg.github.com/ahunigel/${project.name}")
+            credentials {
+                username = project.findProperty("gpr.user") ?: System.getenv("USERNAME")
+                password = project.findProperty("gpr.key") ?: System.getenv("TOKEN")
+            }
+        }
+    }
     publications {
         maven(MavenPublication) {
             from components.java