Declare repositories for the main project as well

Author: vladimir-ikryanov

build.gradle.kts

@@ -34,6 +34,11 @@ plugins {
 val jxBrowserVersion by extra { "8.0.0" } // The version of JxBrowser used in the examples.
 val guavaVersion by extra { "29.0-jre" } // Some of the examples use Guava.
 
+repositories {
+    mavenCentral()
+    google()
+}
+
 allprojects {
     group = "com.teamdev.jxbrowser-examples"
     version = jxBrowserVersion