Apply license headers

src/main/java/com/hypherionmc/modfusioner/Constants.java

@@ -1,3 +1,12 @@
+/*
+ * This file is part of ModFusioner, licensed under the GNU Lesser General Public License v2.1.
+ *
+ * This project is based on, and contains code from https://github.com/PacifistMC/Forgix, licensed under the same license.
+ * See their license here: https://github.com/PacifistMC/Forgix/blob/main/LICENSE
+ *
+ * Copyright HypherionSA and Contributors
+ * Forgix Code Copyright by their contributors and Ran-Mewo
+ */
 package com.hypherionmc.modfusioner;
 
 import java.nio.file.attribute.PosixFilePermission;

src/main/java/com/hypherionmc/modfusioner/actions/JarMergeAction.java

@@ -1,3 +1,12 @@
+/*
+ * This file is part of ModFusioner, licensed under the GNU Lesser General Public License v2.1.
+ *
+ * This project is based on, and contains code from https://github.com/PacifistMC/Forgix, licensed under the same license.
+ * See their license here: https://github.com/PacifistMC/Forgix/blob/main/LICENSE
+ *
+ * Copyright HypherionSA and Contributors
+ * Forgix Code Copyright by their contributors and Ran-Mewo
+ */
 package com.hypherionmc.modfusioner.actions;
 
 import com.hypherionmc.modfusioner.Constants;

src/main/java/com/hypherionmc/modfusioner/plugin/FusionerExtension.java

@@ -1,3 +1,12 @@
+/*
+ * This file is part of ModFusioner, licensed under the GNU Lesser General Public License v2.1.
+ *
+ * This project is based on, and contains code from https://github.com/PacifistMC/Forgix, licensed under the same license.
+ * See their license here: https://github.com/PacifistMC/Forgix/blob/main/LICENSE
+ *
+ * Copyright HypherionSA and Contributors
+ * Forgix Code Copyright by their contributors and Ran-Mewo
+ */
 package com.hypherionmc.modfusioner.plugin;
 
 import groovy.lang.Closure;

src/main/java/com/hypherionmc/modfusioner/plugin/ModFusionerPlugin.java

@@ -1,3 +1,12 @@
+/*
+ * This file is part of ModFusioner, licensed under the GNU Lesser General Public License v2.1.
+ *
+ * This project is based on, and contains code from https://github.com/PacifistMC/Forgix, licensed under the same license.
+ * See their license here: https://github.com/PacifistMC/Forgix/blob/main/LICENSE
+ *
+ * Copyright HypherionSA and Contributors
+ * Forgix Code Copyright by their contributors and Ran-Mewo
+ */
 package com.hypherionmc.modfusioner.plugin;
 
 import com.hypherionmc.modfusioner.Constants;

src/main/java/com/hypherionmc/modfusioner/task/JarFuseTask.java

@@ -1,3 +1,12 @@
+/*
+ * This file is part of ModFusioner, licensed under the GNU Lesser General Public License v2.1.
+ *
+ * This project is based on, and contains code from https://github.com/PacifistMC/Forgix, licensed under the same license.
+ * See their license here: https://github.com/PacifistMC/Forgix/blob/main/LICENSE
+ *
+ * Copyright HypherionSA and Contributors
+ * Forgix Code Copyright by their contributors and Ran-Mewo
+ */
 package com.hypherionmc.modfusioner.task;
 
 import com.hypherionmc.modfusioner.Constants;

src/main/java/com/hypherionmc/modfusioner/utils/FileChecks.java

@@ -1,3 +1,12 @@
+/*
+ * This file is part of ModFusioner, licensed under the GNU Lesser General Public License v2.1.
+ *
+ * This project is based on, and contains code from https://github.com/PacifistMC/Forgix, licensed under the same license.
+ * See their license here: https://github.com/PacifistMC/Forgix/blob/main/LICENSE
+ *
+ * Copyright HypherionSA and Contributors
+ * Forgix Code Copyright by their contributors and Ran-Mewo
+ */
 package com.hypherionmc.modfusioner.utils;
 
 import org.apache.tika.Tika;

src/main/java/com/hypherionmc/modfusioner/utils/FileTools.java

@@ -1,3 +1,12 @@
+/*
+ * This file is part of ModFusioner, licensed under the GNU Lesser General Public License v2.1.
+ *
+ * This project is based on, and contains code from https://github.com/PacifistMC/Forgix, licensed under the same license.
+ * See their license here: https://github.com/PacifistMC/Forgix/blob/main/LICENSE
+ *
+ * Copyright HypherionSA and Contributors
+ * Forgix Code Copyright by their contributors and Ran-Mewo
+ */
 package com.hypherionmc.modfusioner.utils;
 
 import org.apache.commons.io.FileUtils;