make an api version

api/build.gradle.kts

@@ -1,5 +1,21 @@
 description = "Api functions for valiobungee"
 
+plugins {
+    alias(libs.plugins.blossom)
+    alias(libs.plugins.indragit)
+}
+
+
+sourceSets {
+    main {
+        blossom {
+            javaSources {
+                property("apiversion", project.property("api-version").toString())
+            }
+        }
+    }
+}
+
 java {
     withJavadocJar()
     withSourcesJar()

api/src/main/java-templates/net/limework/valiobungee/api/APIConstantVariables.java.peb

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2026 ValioBungee contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package net.limework.valiobungee.api;
+
+public class APIConstantVariables {
+
+  public static final String API_VERSION = "{{ apiversion }}";
+}

gradle.properties

@@ -1,2 +1,3 @@
 group=net.limework
 version=1.0.0-SNAPSHOT
+api-version=v1