latex checklist
\documentclass{article}
\usepackage{enumitem,amssymb}
\newlist{todolist}{itemize}{2}
\setlist[todolist]{label=$\square$}
\begin{document}
My ToDo list
\begin{itemize}
\item Immediate plan of action.
\begin{todolist}
\item List item 1 goes here.
\item List item 2 goes here.
\begin{todolist}
\item Sublist item 1 goes here.
\item Sublist item 2 goes here.
\end{todolist}
\item List item 3 goes here
\item List item 4 goes here.
\end{todolist}
\end{itemize}
\end{document}