diff --git a/.gitignore b/.gitignore
index cca1883..5a1fdd5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
 bin/
-*.pdf
+exercises.pdf
 .stignore
-todo
diff --git a/misc/lessons/lessons.pdf b/misc/lessons/lessons.pdf
new file mode 100644
index 0000000..dafc843
Binary files /dev/null and b/misc/lessons/lessons.pdf differ
diff --git a/notes/todo b/notes/todo
new file mode 100644
index 0000000..9450e2b
--- /dev/null
+++ b/notes/todo
@@ -0,0 +1,7 @@
+- scrivere nuova parte es 1
+- es 2
+- es 3
+- rifare es 4
+- es 5
+- scrivere es 6
+- scrivere es 7