Optimization Navigation: Manual input of the page number

Has to be discussed in the planning

• Rename item in Sheet or Page (?) (configurable, projects must be able to name individually, unless there is a generic term)
• Rename manifest in manuscript (configurable, projects must be able to name individually, example Gfl, letters. Is it possibly possible/ useful to take the name from the type designation in the TEI, it is also possible that a collection contains different document types, such as letters, notepads, notebooks etc.).
• Manual entry of the page number (always refers to the manifest that is currently open) (Nils: Frontend Templating)
• Manual input of page number (always refers to the manifest that is currently open)