add: more debug logs

src/models/relay.c

@@ -17,6 +17,7 @@
 static int
 db_update_insert(relay_t *relay, sqlite3_stmt *stmt)
 {
+    LOGGER_DEBUG("saving relay '%s' into database (id: %d)\n", relay->name, relay->id);
     int rc;
 
     sqlite3_bind_int(stmt, 1, relay->id);