Add a templates_custom dir to make it easy to override templates.

hypha/settings/base.py

@@ -126,6 +126,7 @@ TEMPLATES = [
     {
         'BACKEND': 'django.template.backends.django.DjangoTemplates',
         'DIRS': [
+            os.path.join(PROJECT_DIR, 'templates_custom'),
             os.path.join(PROJECT_DIR, 'templates'),
             os.path.join(PROJECT_DIR, 'apply', 'templates'),
         ],