Feat/explorer homepage UI

[ankit723]

added the grid table, tabs and the button in the transaction

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
1 out of 4 committers have signed the CLA.

:white_check_mark: aashaykapoor
:x: DivyanshArya09
:x: RitwikSingh28
:x: ankit723
_{You have signed the CLA already but the status is still pending? Let us recheck it.}