Complete descriptive book return links

src/main/resources/assets/rivencraft/lang/en_us.json

@@ -5,12 +5,17 @@
   "item.rivencraft.linking_book": "Linking Book",
   "item.rivencraft.linking_book.unbound": "Unbound — sneak-use to bind",
   "item.rivencraft.linking_book.destination": "%s (%s, %s, %s)",
+  "item.rivencraft.linking_book.return": "Return Link",
   "message.rivencraft.linking_book.bind_hint": "Sneak-use to bind this book to your current location",
   "message.rivencraft.linking_book.unbound": "This Linking Book is unbound",
   "message.rivencraft.linking_book.bound": "Linking Book bound as %s",
   "message.rivencraft.linking_book.linked": "Linked",
   "message.rivencraft.linking_book.missing_dimension": "That dimension is unavailable",
   "message.rivencraft.linking_book.unsafe": "No safe destination was found near the link",
+  "message.rivencraft.descriptive_book.unwritten": "This Descriptive Book is unwritten",
+  "message.rivencraft.descriptive_book.unavailable": "That Age is unavailable",
+  "message.rivencraft.descriptive_book.unsafe": "No safe destination was found in that Age",
+  "message.rivencraft.descriptive_book.linked": "Linked to %s — a Return Link was created",
   "screen.rivencraft.book.title": "Book title",
   "screen.rivencraft.book.title_hint": "Name this Linking Book",
   "screen.rivencraft.book.name_prompt": "Name the book before binding it to this location",