added shared preamble.tex

2 files changed, 3 insertions, 0 deletions

diff --git a/ls-R b/ls-R
index fe0a183..7a01cec 100644
--- a/ls-R
+++ b/ls-R
@@ -1,3 +1,4 @@
 ./makefile
+./preamble.tex
 ./README.md
 ./README.tex
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}