diff --git a/.gitignore b/.gitignore
index d3768934..7aa51c74 100644
--- a/.gitignore
+++ b/.gitignore
@@ -115,8 +115,4 @@ cache/
 prometheus_data/
 grafana_data/
 
-# PDF
-*.pdf
-!assets/*.pdf
-
 frontend/node_modules
diff --git a/backend/assets/qsm.pdf b/backend/assets/qsm.pdf
new file mode 100644
index 00000000..59fe67c4
Binary files /dev/null and b/backend/assets/qsm.pdf differ
diff --git a/backend/assets/vsm.pdf b/backend/assets/vsm.pdf
new file mode 100644
index 00000000..02946ea4
Binary files /dev/null and b/backend/assets/vsm.pdf differ