Custom footer support

app/templates.py

@@ -27,6 +27,7 @@ from app.ap_object import Attachment
 from app.ap_object import Object
 from app.config import BASE_URL
 from app.config import CSS_HASH
+from app.config import CUSTOM_FOOTER
 from app.config import DEBUG
 from app.config import VERSION
 from app.config import generate_csrf_token
@@ -132,6 +133,7 @@ async def render_template(
                 select(func.count(models.Following.id))
             ),
             "actor_types": ap.ACTOR_TYPES,
+            "custom_footer": CUSTOM_FOOTER,
             **template_args,
         },
         status_code=status_code,