[#1794] Update landing page content

[wixzi]

Fixes: #1794

Description

Update landing page contents

• [x] Remove community banner

How to test the changes

Landing page should be changed based on the issue requirements

Is there any risks or changes of failure to be considered

Low. Only text and content changes

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[0xVenky]

Looks good to me...

[0xVenky]

Hey, lets get this merged. @berteotti can you review this once? :)