fix wrong url being used for swagger

src/main/java/cc.fascinated/config/OpenAPIConfiguration.java

@@ -0,0 +1,35 @@
+package cc.fascinated.config;
+
+import io.swagger.v3.oas.models.OpenAPI;
+import io.swagger.v3.oas.models.info.Contact;
+import io.swagger.v3.oas.models.info.Info;
+import io.swagger.v3.oas.models.info.License;
+import io.swagger.v3.oas.models.servers.Server;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.List;
+
+@Configuration
+public class OpenAPIConfiguration {
+
+    @Bean
+    public OpenAPI defineOpenAPI() {
+        Server server = new Server();
+        server.setUrl(Config.INSTANCE.getWebPublicUrl());
+
+        Contact contact = new Contact();
+        contact.setName("Liam");
+        contact.setEmail("liam@fascinated.cc");
+        contact.setUrl("https://fascinated.cc");
+
+        Info info = new Info();
+        info.setTitle("Minecraft Utilities API");
+        info.setVersion("1.0");
+        info.setDescription("Wrapper for the Minecraft APIs to make them easier to use.");
+        info.setContact(contact);
+        info.setLicense(new License().name("MIT License").url("https://opensource.org/licenses/MIT"));
+
+        return new OpenAPI().servers(List.of(server)).info(info);
+    }
+ }