feat: image gallery (#2)

Reviewed-on: #2

internal/components/page/page.go

@@ -56,9 +56,14 @@ func (s *Service) getPageHeaders(ctx context.Context, uid string) (page PageHead
 		}
 	}
 
-	page.md, err = s.fs.Read(contentMD.Path())
-	if err != nil {
-		return
+	if contentMD != nil {
+
+		page.md, err = s.fs.Read(contentMD.Path())
+		if err != nil {
+			return
+		}
+	} else {
+		page.md = []byte("# ...")
 	}
 
 	title := titleRGX.FindStringSubmatch(string(page.md))