Add site name config, settings context processor, and site branding to every page

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

board/context_processors.py

@@ -0,0 +1,5 @@
+from django.conf import settings as django_settings
+
+
+def settings(request):
+    return {"settings": django_settings}