Ability to overwrite default text in the viewer

[CS76]

Repositories like nmrxiv and Chemotion should be able to overwrite the "Drag and drop here a JCAMP-DX, Bruker folder, JOEL jdf or nmrium file." default text with more relevant information (as per resource requirements). The current default message is misleading the users, especially when the viewing spectra in a read only views

[hamed-musallam]

@CS76

We have the ability to customize the default message, Which name do you think is better to represent our need: defaultMessage, defaultEmptyMessage, or simply message?

https://nmriumdev.nmrxiv.org/?defaultEmptyMessage=< your message >

[CS76]

defaultEmptyMessage to make it more descriptive ??