[EPIC] Design homepage for turnip

[TurnipXenon]

• https://github.com/TurnipXenon/turnip/issues/105
• https://github.com/TurnipXenon/potato/issues/25
• https://github.com/TurnipXenon/potato/issues/26
• https://github.com/TurnipXenon/potato/issues/27