docs(.env.example): add optional RULES_URL configuration

MattiaFailla · MattiaFailla · commit 0d6b14573267 · 2026-02-22T15:44:18.000+01:00
diff --git a/.env.example b/.env.example
@@ -16,3 +16,6 @@ CAPTCHA_FILE_PATH=assets/regolamento.md
 
 # Optional: Comma-separated list of local sub-group IDs
 # LOCAL_GROUP_IDS=-1001234567891,-1001234567892
+
+# Optional: URL to external rules/guide page (sent during verification deep link)
+# RULES_URL=https://example.com/rules
