Adding spotless to prepare for reformatting

gradle/scripts/spotless.gradle

@@ -0,0 +1,31 @@
+/*
+ * This file is part of Applied Energistics 2.
+ * Copyright (c) 2013 - 2020, AlgorithmX2, All rights reserved.
+ *
+ * Applied Energistics 2 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.
+ *
+ * Applied Energistics 2 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
+ *g GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
+ */
+
+spotless {
+    java {
+        target 'src/*/java/appeng/**/*.java'
+
+        indentWithSpaces()
+        eclipse().configFile 'codeformat/codeformat.xml'
+        importOrderFile 'codeformat/ae2.importorder'
+    }
+    format 'json', {
+        target 'src/*/resources/**/*.json'
+        prettier().config(['parser': 'json'])
+    }
+}