Added pm2 environment file

Backend/Backend.config.js

@@ -0,0 +1,27 @@
+module.exports = {
+  apps : [{
+    name: "Backend",
+    script: 'dist/index.js',
+    watch: '.',
+    env: {
+         "PORT": '3000',
+         "DB_HOST": 'localhost',
+         "DB_USER": 'betterzon_admin',
+         "DB_PASSWORD": 'FezcxEfXWH6sgJfZLfY9Cd5Fyu2NTwEM7i8j',
+         "DB_DATABASE": 'betterzon_dev'
+    },
+  }],
+
+  deploy : {
+    production : {
+      user : 'SSH_USERNAME',
+      host : 'SSH_HOSTMACHINE',
+      ref  : 'origin/master',
+      repo : 'GIT_REPOSITORY',
+      path : 'DESTINATION_PATH',
+      'pre-deploy-local': '',
+      'post-deploy' : 'npm install && pm2 reload ecosystem.config.js --env production',
+      'pre-setup': ''
+    }
+  }
+};