Update license headers

Author: Janrupf

example/lwjgl3-opengl/src/main/resources/example.html

@@ -2,14 +2,17 @@
 <!--
     Ultralight Java - Java wrapper for the Ultralight web engine
     Copyright (C) 2020 - 2021 LabyMedia and contributors
+
     This program is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 3 of the License, or (at your option) any later version.
+
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.
+
     You should have received a copy of the GNU Lesser General Public License
     along with this program; if not, write to the Free Software Foundation,
     Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

ultralight-java-base/src/main/java/com/labymedia/ultralight/plugin/render/UltralightCommandType.java

@@ -1,3 +1,22 @@
+/*
+ * Ultralight Java - Java wrapper for the Ultralight web engine
+ * Copyright (C) 2020 - 2021 LabyMedia and contributors
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
 package com.labymedia.ultralight.plugin.render;
 
 /**

ultralight-java-base/src/main/java/com/labymedia/ultralight/plugin/render/UltralightShaderType.java

@@ -1,3 +1,22 @@
+/*
+ * Ultralight Java - Java wrapper for the Ultralight web engine
+ * Copyright (C) 2020 - 2021 LabyMedia and contributors
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
 package com.labymedia.ultralight.plugin.render;
 
 public enum UltralightShaderType {