🚚 Rename app main to bbs

🚚 Move settings into main
➕ Add django-rename-app

bbs/utils.py

@@ -0,0 +1,5 @@
+def format_username(firstname: str, lastname: str):
+    first = firstname.lower().strip().replace(" ", "")[:6].encode("ascii", "ignore").decode("utf-8")
+    last = lastname.lower().strip().replace(" ", "")[:6].encode("ascii", "ignore").decode("utf-8")
+
+    return f"{first}{last}"