1 files changed, 2 insertions, 0 deletions

diff --git a/_preamble.tex b/_preamble.tex
new file mode 100644
index 0000000..c1a7461
--- /dev/null
+++ b/_preamble.tex
@@ -0,0 +1,2 @@
+\usepackage{tikz}
+\usepackage[breakable, skins, listings, xparse]{tcolorbox}