feat: add sqlite test db files to .gitignore

Author: davidfrigolet

.gitignore

@@ -92,4 +92,13 @@ dynamodb-local-metadata*
 # Claude Code configuration files
 .claude/settings.local.json
 
-/flamingock-cli-dist
+/flamingock-cli-dist
+
+# SQLite test DB files generated by tests
+test_*.db
+test_*.db-wal
+test_*.db-shm
+
+# Generic SQLite artifacts
+*.db-wal
+*.db-shm