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

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

threadchat/settings.py

@@ -70,6 +70,7 @@ TEMPLATES = [
                 "django.template.context_processors.request",
                 "django.contrib.auth.context_processors.auth",
                 "django.contrib.messages.context_processors.messages",
+                "board.context_processors.settings",
             ],
         },
     },
@@ -139,6 +140,9 @@ X_FRAME_OPTIONS = "SAMEORIGIN"
 
 DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"
 
+# Site name
+SITE_NAME = "interchan"
+
 # Media root - where media files are stored on the disk
 MEDIA_ROOT = "media/"