issue-4 fixed

[Iron-56]

SOLUTION: ISSUE-4
This PR is the solution to the 'bank-project' #4

Description

• What all did you learn?
  I learnt about routing and using route specific functions, localStorage to sign in automatically, using forms to send to server, parsing response, using templates for both web pages and repeating stuff like rows of a table, object to prevent modifications using Object Freeze, Data fetching internal working and media queries to make it responsive.
• Any difficulties that you faced, and how you solved it?
  The Object freezing was a bit hard to understand why we need to do that and the state management was a bit confusing but got it at end.
• Did you have to learn anything new to do the assignments?
  I learnt about many new things such as state management, using templates, object freezing.
• Any thing else you would like to share about the topic?
  This task took a lot of time but the task is very very useful