Remove redundancy in code

[lunaticmonk]

Currently, the add button of the bangs is set with an img tag with src of the button icon. For every button, the long src url is common. Thus, removing the redundancy would make the code look good.

[lunaticmonk]

Would like to work on this.

[Paarmita]

@sumedh123 Could I also work on this?

[lunaticmonk]

@Paarmita A pr is already open for the issue. You can check some other issues.