Release v0.3.0: The sexy release

[kaushik94]

• Add all changes to changelog
• Make separate commits to each small change
• Make release linking all the commits
• Take screenshots to all small buttons
• Take recordings of each small features. Use zoom in type recordings where feature can be zoomed in.
• Use better CSS for Postgres logger?
• Add video on hero page
• Make logout button
• Copy button for psql string
• download screen.studio
• clear AWS bills