FEATURE: topic_view_stats table with daily fidelity (#27197)

This gives us daily fidelity of topic view stats

New table stores a row per topic viewed per day tracking
anonymous and logged on views

We also have a new endpoint `/t/ID/views-stats.json` to get the statistics for the topic.

db/migrate/20240527015009_add_topic_view_stats.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class AddTopicViewStats < ActiveRecord::Migration[7.0]
+  def change
+    create_table :topic_view_stats do |t|
+      t.integer :topic_id, null: false
+      t.date :viewed_at, null: false
+      t.integer :anonymous_views, default: 0, null: false
+      t.integer :logged_in_views, default: 0, null: false
+    end
+
+    add_index :topic_view_stats, %i[topic_id viewed_at], unique: true
+    add_index :topic_view_stats, %i[viewed_at topic_id]
+  end
+end