Add position:integer column to text_blocks table

Author: sanak

db/migrate/20230325132825_add_position_to_text_blocks.rb

@@ -0,0 +1,5 @@
+class AddPositionToTextBlocks < ActiveRecord::Migration[5.2]
+  def change
+    add_column :text_blocks, :position, :integer
+  end
+end