Enhancement - Project management

[JonasBerx]

When managing files and projects. Modals with confirmations should be shown before actions are executed. This is to avoid accidentally removing certain files

[JonasBerx]

• [x] Chips for file types
• [x] checkbox for file selection
• [x] modals

[JonasBerx]

• [ ] Change Filetype after uploading file.
• [x] Change filename after uploading
• [x] Snackbars on action completion
• [x] Remove project after creation
• [x] Remove related files on project deletion

[JonasBerx]

• [x] Change project title after creation