Objective - Sending E-mail/SMS via backend to faculty on required days
db_init.js - initialize connection between server and SQL db.
db_functions.js - querying data from DB (getData,putData,Delete,Append)
check.js - contains a process which is always running and checks for DOB at 12:00 AM
app.js - contains all routes ( '/' , '/email' ,'/sms' )