Refactor app in to its own slice

slices/main/views/books/index.rb

@@ -0,0 +1,31 @@
+module Main
+  module Views
+    module Books
+      class Index< Main::View
+        include Deps["repos.post_repo"]
+
+        private_expose :books do
+          post_repo.books_listing.group_by { |book| book.book_status }
+        end
+
+        expose :read do |books|
+          books["read"].map do |book|
+            Decorators::Books::Decorator.new book
+          end
+        end
+
+        expose :to_read do |books|
+          books["to-read"].map do |book|
+            Decorators::Books::Decorator.new book
+          end
+        end
+
+        expose :reading do |books|
+          books["reading"].map do |book|
+            Decorators::Books::Decorator.new book
+          end
+        end
+      end
+    end
+  end
+end