Apply authored biome distributions and expose biome pages (#33)

README.md

@@ -77,6 +77,8 @@ larger ordered collection of Pages between desks and the binder.
 
 With JEI installed, Rivencraft displays the Ink Mixer operation in its own
 category and the hand-use, copying, binding, and Linking Book crafting flows in a Writing category.
+The Link Panel and individual symbol Pages, including registered vanilla biome
+pages, appear as separately searchable JEI ingredients.
 JEI is optional; vanilla crafting
 recipes and all writing interactions work without it. For a development client
 with JEI, run `./gradlew runClient -PwithJei=true`.