Added scss compiler to aid in creating proper styles.css

scssbuild.js

@@ -0,0 +1,33 @@
+#!/usr/bin/env node
+
+// This file is part of the Studyplan plugin for Moodle
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <https://www.gnu.org/licenses/>.
+/**
+ * This file compiles the scss files in the scss/ folder into either the main 
+ * styles.css for production upon build or css/devstyles.css for development
+ *
+ * @package    local_treestudyplan
+ * @copyright  2023 P.M. Kuipers
+ * @license    https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+
+var library = require('sass');
+library.load({
+  readline: require("readline"),
+  chokidar: require("chokidar"),
+});
+
+library.cli_pkg_main_0_(process.argv.slice(2));