feat: gallery component for landing page

[om2137]

Description

Result with new images from slack in Gallery component.

• Used instead of next's component because with the grid was not behaving as desired.
• What should be the behaviour of browse button.
  • Redirect to a new page/open modal with all the images/videos, we can list them from Cloudianry.
  • Redirect to a Google Drive link.
    let me know, will make the necessary changes

CC: @ashmit-coder @Mayaleeeee let me know if there are any changes to made.

Related issue
Resolves #264

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[TenzDelek]

one more to add, what is the use case of the button? are we making a dedicated page for the gallery? if yes we have to create a new route for that and if no, i don't think the button is necessary here. it is not doing anything. cc @om2137 @ashmit-coder @AceTheCreator

[om2137]

one more to add, what is the use case of the button? are we making a dedicated page for the gallery? if yes we have to create a new route for that and if no, i don't think the button is necessary here. it is not doing anything. cc @om2137 @ashmit-coder @AceTheCreator

In #264 there are two approaches suggested for the button. I have also listed them in PR description.