Authenticate and signin user for any other server
#npm install : install all the node packages first
#npm run dev : run the development server on port 3000
#connect authentication apis :
signin user - http://localhost:3000/signIn data: {username:"string", password:"string"}
verify user - http://localhost:3000/verify data: {token:"string", userid:"string"}
createadmin user - http://localhost:3000/createadmin data: {username:"string", password:"string"}