added nodemon to dev dependency and removed unused ws package

node_modules/ws/LICENSE

node_modules/ws/README.md

node_modules/ws/browser.js

node_modules/ws/index.js

node_modules/ws/lib/buffer-util.js

node_modules/ws/lib/constants.js

node_modules/ws/lib/event-target.js

node_modules/ws/lib/extension.js

node_modules/ws/lib/limiter.js

node_modules/ws/lib/permessage-deflate.js

node_modules/ws/lib/receiver.js

node_modules/ws/lib/sender.js

node_modules/ws/lib/stream.js

node_modules/ws/lib/subprotocol.js

node_modules/ws/lib/validation.js

node_modules/ws/lib/websocket-server.js

node_modules/ws/lib/websocket.js

node_modules/ws/package.json

node_modules/ws/wrapper.mjs