package.json file updated

[shmiitg]

Issue

Fixes #16

Description

Following packages are added in package.json file:

1. axios : for data fetching purpose (we can use fetch api by javascript also but people use axios generally)
2. express-flash : for displaying flash message (when user gives wrong credentials for login or signup, then page reloads and the form data that user entered goes away, we can get the form data back using flash)
3. moment : very powerful library for time formatting
4. multer : for uploading images
5. cors : incase we connect react with nodejs, we will need it
6. ejs : a template engine i personally like, we can also use hbs which is already installed
7. slugify : for string formatting

[ArchismanKarmakar]

#16 great work @shmiitg