Add tikzpicture snippet

.vim/snips/pandoc.snippets

@@ -239,6 +239,12 @@ $2
 $3
 endsnippet
 
+snippet tik "Tikzpicture" i
+\begin{tikzpicture}
+$1
+\end{tikzpicture}
+endsnippet
+
 snippet matrix "Matrix" i
 \begin{bmatrix}
 $1