modularize code, add dummy version of roverd

server/src/globals/logger.js

@@ -0,0 +1,9 @@
+function stamp(level, args) {
+  return [new Date().toISOString(), `[${level}]`, ...args];
+}
+
+module.exports = {
+  info: (...args) => console.log(...stamp('INFO', args)),
+  warn: (...args) => console.warn(...stamp('WARN', args)),
+  error: (...args) => console.error(...stamp('ERROR', args)),
+};