split adress iput field

[emely3h]

Related Issue

• So far there was no unified format for the address input field
• So far there were no specific error messages for guests if input fields were empty and they tried to check in

Proposed Changes

• I split the address and name field in multiple fields so that the data send to the database has a unified format
• Before sending the form I checked if any fields are still empty and if so specific error messages were displayed
• I made the input fields responsive so that they are not cut of on smartphones

Additional Info

• pleas test the frontend as I am not sure if I did everything correct when solving merge conflicts

Checklist

• Is the code formatted correctly?
• Unnecessary comments removed?
• Printout statements removed?
• If you made backend changes: Did all tests pass? Do you need to adjust some tests or write new ones?
• If you made frontend changes: Did you test the UI on different devices/ browsers (Firefox, Chrome, Safari, different smartphone sizes)
• Is your code easy to understand or do you need to insert some comments?
• Explain the issue for the reviewer and your steps to solve the issue => makes it a lot more easy for the reviewer
• Label your pull request (frontend/ backend/ testing/ styling/ sql/...)
• Is the open source message included at the very beginning of every source code file?
• Are all imports organized, i.e. are the imports up to date and have all package imports been removed?

[Gabril-E]

Moved bug to new Issue #284 to merge this request