Rename ecosystem config to .cjs for ESM compatibility

ecosystem.config.cjs

@@ -0,0 +1,14 @@
+ module.exports = {
+  apps: [
+    {
+      name: 'otivm',
+      script: 'serve',
+      args: 'dist -l 3000 -s',
+      cwd: '/home/otivm/OTIVM',
+      interpreter: 'none',
+      env: {
+        NODE_ENV: 'production',
+      },
+    },
+  ],
+}