Add PM2 process configuration (start.js) for ESPDocs with watch and production env

start.js

@@ -0,0 +1,13 @@
+module.exports = {
+    apps: [
+      {
+        name: "ESPDocs",
+        script: "npm run start",
+        watch: true,
+        env: {
+          NODE_ENV: "production",
+          DEBUG: "app:*"
+        }
+      }
+    ]
+  }