Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/is-gif/index.js b/node_modules/is-gif/index.js
new file mode 100644
index 0000000..962ce8b
--- /dev/null
+++ b/node_modules/is-gif/index.js
@@ -0,0 +1,12 @@
+'use strict';
+const fileType = require('file-type');
+
+module.exports = input => {
+	const match = fileType(input);
+
+	if (!match) {
+		return false;
+	}
+
+	return match.ext === 'gif';
+};