diff --git a/docs/images/group_work.svg b/docs/images/group_work.svg
new file mode 100644
index 0000000..cc10f5b
--- /dev/null
+++ b/docs/images/group_work.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zM8 17.5c-1.38 0-2.5-1.12-2.5-2.5s1.12-2.5 2.5-2.5 2.5 1.12 2.5 2.5-1.12 2.5-2.5 2.5zM9.5 8c0-1.38 1.12-2.5 2.5-2.5s2.5 1.12 2.5 2.5-1.12 2.5-2.5 2.5S9.5 9.38 9.5 8zm6.5 9.5c-1.38 0-2.5-1.12-2.5-2.5s1.12-2.5 2.5-2.5 2.5 1.12 2.5 2.5-1.12 2.5-2.5 2.5z"/></svg>
\ No newline at end of file
diff --git a/material/main.html b/material/main.html
new file mode 100644
index 0000000..94d9808
--- /dev/null
+++ b/material/main.html
@@ -0,0 +1 @@
+{% extends "base.html" %}