diff --git a/.gitignore b/.gitignore
index 0ca64a0..470e793 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 **.pdf
+!main.pdf
diff --git a/main.pdf b/main.pdf
new file mode 100644
index 0000000..d1818b0
Binary files /dev/null and b/main.pdf differ