Add JWT expiration vulnerability

[piyushroshan]

Is your feature request related to a problem? Please describe.
Add JWT expiration vulnerability

Describe the solution you'd like
In application.conf of java service change
app.jwtExpiration=86400000
to
app.jwtExpiration=604800000

Describe alternatives if any you've considered
N/A

Additional context

[piyushroshan]

#145