Add custom Maven repository to build.gradle.kts

Removed mavenLocal() and added a new custom Maven repository URL to the repositories block. This change allows the project to fetch dependencies from the specified Gitea-based Maven repository. The adjustment ensures access to specific packages not available on Maven Central.

build.gradle.kts

@@ -8,8 +8,10 @@ group = "nl.astraeus"
 version = "1.1.0-SNAPSHOT"
 
 repositories {
-    mavenLocal()
     mavenCentral()
+    maven {
+        setUrl("https://gitea.astraeus.nl/api/packages/rnentjes/maven")
+    }
 }
 
 kotlin {