add list of symbols in latex

* add list of symbols -- latex

1. createa new tex file named "toc.tex' with the following contents

2. include 'toc.tex' in the 'main.tex' file

 \chapter*{List of Symbols}
\pagenumbering{roman}
\setcounter{page}{17}  % add user defined page number
\addcontentsline{toc}{chapter}{List of symbols}
\section*{Roman symbols}
\begin{tabular}{ll}
\end{tabular}