feat(tags): this adds support for post, link, book, show and movie tags with a tag list view and per tag pages

queries/functions/get_tagged_content.psql

@@ -0,0 +1,38 @@
+CREATE OR REPLACE FUNCTION get_tagged_content(
+  tag_query TEXT,
+  page_size INTEGER DEFAULT 20,
+  page_offset INTEGER DEFAULT 0
+)
+RETURNS TABLE (
+  tag TEXT,
+  title TEXT,
+  url TEXT,
+  content_date TIMESTAMP,
+  author JSON,
+  rating TEXT,
+  featured BOOLEAN,
+  tags TEXT[],
+  type TEXT,
+  label TEXT,
+  total_count BIGINT
+) AS $$
+BEGIN
+  RETURN QUERY
+  SELECT
+    t.tag,
+    t.title,
+    t.url,
+    t.content_date,
+    t.author,
+    t.rating,
+    t.featured,
+    t.tags,
+    t.type,
+    t.label,
+    COUNT(*) OVER() AS total_count
+  FROM optimized_tagged_content t
+  WHERE LOWER(TRIM(t.tag)) = LOWER(TRIM(tag_query))
+  ORDER BY content_date DESC NULLS LAST
+  LIMIT page_size OFFSET page_offset;
+END;
+$$ LANGUAGE plpgsql STABLE;