changed run script for windows

now works in Power shell as well

Author: Hitansh159

package.json

@@ -6,7 +6,7 @@
     "start": "node ./bin/www",
     "devstart": "nodemon ./bin/www",
     "serverstart": "DEBUG=api:* npm run devstart",
-    "serverstartWin": "SET DEBUG=api:* npm run devstart"
+    "serverstartWin": "SET DEBUG=api:* && npm run devstart"
   },
   "dependencies": {
     "cookie-parser": "~1.4.4",