Update snippet lists

nvim/.config/nvim/UltiSnips/crystal.snippets

@@ -0,0 +1,37 @@
+snippet md "map with do" w
+map do |${1:e}|
+  $2
+end
+$0
+endsnippet
+
+snippet m{ "map with {" w
+map({ |${1:e}| $2 })
+endsnippet
+
+snippet ed "each with do" w
+each do |${1:e}|
+  $2
+end
+$0
+endsnippet
+
+snippet e{ "each with {" w
+each({ |${1:e}| $2 })
+endsnippet
+
+snippet b "apply block" w
+${1:min_by}({|${2:e}| $3 })
+endsnippet
+
+snippet set "create set" w
+Set(${1:Int32}).new
+endsnippet
+
+snippet ha "create hash" w
+Hash($1).new
+endsnippet
+
+snippet in "includes?" w
+includes?($1)
+endsnippet

nvim/.config/nvim/UltiSnips/tex.snippets

@@ -22,6 +22,12 @@ snippet ssec
 \subsection*{$1}
 endsnippet
 
+snippet ol
+\begin{itemize}
+    $1
+\end{itemize}
+endsnippet
+
 snippet alist
 \begin{enumerate}[label=\alph*)]
     $1
@@ -47,3 +53,17 @@ endsnippet
 snippet e
 \epsilon
 endsnippet
+
+snippet hs
+\begin{lstlisting}[language=Haskell]
+$1
+\end{lstlisting}
+endsnippet
+
+snippet ns
+\needscite{}
+endsnippet
+
+snippet todo
+\TODO{$1}
+endsnippet