Add readonly[const] model to each collection's concepts

[uselessgoddess]

https://github.com/linksplatform/Interfaces/blob/6c1408ecfb63e1e29059e0807630ef44b7d1b99c/cpp/Platform.Interfaces/IDictionary.h#L8 This is what a small hack looks like You need to define readonly models that use only const methods

[Konard]

Why do you need to remove const_t from type?

[uselessgoddess]

This is a temporary solution. It excludes readonly collections

[uselessgoddess]

It need replace