feat(database): ✨ re-add per-post counters to track page views etc.

www/src/db_handler/post_handler.php

@@ -46,6 +46,10 @@ class PostHandler {
         return ($this->markdown_engine)($post);
     }
 
+    public function increment_post_counter(...$opts) {
+        $this->db->increment_post_counter(...$opts);
+    }
+
     public function get_children_for($post, ...$search_opts) {        
         $child_list = $this->db->get_post_children($post->path, ...$search_opts);