refactor: create blocks for class views

Table state will be stored in the view entity instead of the class.

This is for multiple views support, there could be multiple views
including table, kanban, card, etc.

src/main/frontend/db.cljs

@@ -9,7 +9,8 @@
             [frontend.modules.outliner.ui :as ui-outliner-tx]
             [frontend.modules.outliner.op :as outliner-op]
             [frontend.state :as state]
-            [frontend.config :as config]))
+            [frontend.config :as config]
+            [logseq.outliner.op]))
 
 (import-vars
  [frontend.db.conn