🚀 [Feature][Frontend] Event creation page

Created by: Elweyn

🚀 Feature issue

🤖 ToDos

• Rename default venue to: EN: "ex. backyard, 1st Floor, ..." / DE: "zB: Hinterhof, 1. OG, ..."
• Rename default city to: DE: "Musterstraße 1, 12345 Musterstadt" / EN: "Example street 1, 12345 city"