Ignore generated runtime data files

.gitignore

@@ -18,6 +18,9 @@ dist-ssr
 # Uncomment the line below if you do NOT want to track live data in git.
 # data/admin-content.json
 data/backups/
+data/hit-stats.json
+data/visitor-stats.json
+data/contact-submissions.json
 
 # Editor directories and files
 .vscode/*