Added packages for logging and multi-processing

package.json

@@ -10,6 +10,8 @@
   "license": "ISC",
   "dependencies": {
     "chokidar": "3.0.2",
+    "cluster": "0.7.7",
+    "debug": "4.1.1",
     "ejs": "2.6.2",
     "express": "4.17.1",
     "sass": "1.22.7"