Added index.js config file

backend-supervision/config/index.js

+const logger = require("../loaders/logger");
+
+// Set the NODE_ENV to 'development' by default
+process.env.NODE_ENV = process.env.NODE_ENV || "development";
+
+let file;
+if (process.env.CI_JOB_STAGE) {
+  file = "./ci.env";
+} else {
+  file = "./.env";
+}
+
+const envFound = require("dotenv").config({ path: file });
+
+if (!envFound) {
+  logger.error("⚠️  Couldn't find .env config file  ⚠️", { tag: "config" });
+  // This error should crash whole process
+  throw new Error("⚠️  Couldn't find .env config file  ⚠️");
+} else {
+  logger.setup("Config loaded 🔥 !", { tag: "config" });
+}