Update latex stuff.

- add slide template
- update links in base template

tex/.local/bin/create-tex

@@ -1,4 +1,6 @@
 #!/bin/sh
 
+[ -n "$SLIDE" ] && SLIDE=-slide
+
 n="$1"
-cp ~/.local/share/template.tex "$n"
+cp ~/.local/share/template${SLIDE}.tex "$n"

tex/.local/share/template-slide.tex

@@ -0,0 +1,17 @@
+\documentclass[pdf]{beamer}
+% https://web.mit.edu/rsi/www/pdfs/beamer-tutorial.pdf
+
+\mode<presentation>{}
+
+%\title{Title}
+%\subtitle{}
+%\author{Érico Nogueira Rolim}
+%\date{}
+
+\begin{document}
+
+\begin{frame}
+\titlepage
+\end{frame}
+
+\end{document}

tex/.local/share/template.tex

@@ -1,6 +1,10 @@
 \documentclass[11pt,a4paper]{article}
 % https://guides.nyu.edu/c.php?g=601858&p=4168138
 % https://oeis.org/wiki/List_of_LaTeX_mathematical_symbols
+% https://math-linux.com/latex-26/faq/latex-faq/article/latex-derivatives-limits-sums-products-and-integrals
+% https://www.math.uci.edu/~xiangwen/pdf/LaTeX-Math-Symbols.pdf
+% https://stackoverflow.com/questions/3175105/inserting-code-in-this-latex-document-with-indentation
+% https://ctan.dcc.uchile.cl/fonts/amsfonts/doc/amsfndoc.pdf
 
 %\title{Title}
 %\author{Érico Nogueira Rolim}
@@ -8,6 +12,7 @@
 
 \usepackage[margin=2cm]{geometry}
 %\usepackage{amsmath}
+%\usepackage{amsfonts}
 
 % https://guides.nyu.edu/c.php?g=601858&p=4168138
 \newcommand{\question}[2][]{\begin{flushleft}