diff --git a/docs/images/72.png b/docs/images/72.png
new file mode 100644
index 0000000..8dd3e2e
Binary files /dev/null and b/docs/images/72.png differ
diff --git a/docs/images/73.png b/docs/images/73.png
new file mode 100644
index 0000000..db145a3
Binary files /dev/null and b/docs/images/73.png differ
diff --git a/docs/images/74.png b/docs/images/74.png
new file mode 100644
index 0000000..cadfd32
Binary files /dev/null and b/docs/images/74.png differ
diff --git a/docs/images/75.png b/docs/images/75.png
new file mode 100644
index 0000000..ed063fd
Binary files /dev/null and b/docs/images/75.png differ