Make collections and documentation consistent

Hi, @tommoor. Happy New Year. Here's the situation: right now, collection and document are two separate concepts, although it's actually better and more consistent to combine them. We truly want the same function on them in a lot of scenarios. e.g. • We have the option of selecting a collection icon, but what about a document icon? • We can use the sidebar button to create a new nested document, but we can't create a new document in collection just one click. Related to • We can now manage this collection's permissions, but not the permissions in documents. It can be beneficial to a large corporation at times. • We can drag and drop the document into another document and make it nested, but not the collection. Actually, I used Notion and other products, and they just use documents to replace collections. That's really really simple for the users and developers. <img src=" width=300> <img src=&quot…