Fixxed the readme, removed useless dependency and added @throws for javadoc

README.md

@@ -5,7 +5,7 @@
 1. Add the repository to your project:
 ```gradle
 repositories {
-    maven { url = "https://maven.winniepat.de/repository/maven-public/" }
+    maven { url = "https://maven.winniepat.de/repository/maven-releases/" }
 }
 ```
 2. Add the dependency:

build.gradle

@@ -21,7 +21,6 @@ repositories {
 }
 
 dependencies {
-    implementation 'io.papermc.paper:paper-api:1.21.11-R0.1-SNAPSHOT'
     implementation 'com.google.code.gson:gson:2.13.1'
 }
 

src/main/java/licenselib/LicenseClient.java

@@ -23,6 +23,7 @@ public class LicenseClient {
 
     /**
      * Private constructor to prevent instantiation of this utility class.
+     * @throws UnsupportedOperationException always thrown to indicate that this class should not be instantiated.
      */
     private LicenseClient() {
         throw new UnsupportedOperationException("Utility class");