keeping images side by side in overleaf code example

Example: latex two figure side by side

\documentclass[10pt,a4paper]{article}
\usepackage[demo]{graphicx}
\usepackage{subfig}
\begin{document}
\begin{figure}
    \centering
    \subfloat[label 1]{{\includegraphics[width=5cm]{img1} }}
    \qquad
    \subfloat[label 2]{{\includegraphics[width=5cm]{img2} }}
    \caption{2 Figures side by side}
    \label{fig:example}
\end{figure}
\end{document}