Add new csp config

ansible/roles/ret/templates/reticulum.toml.j2

@@ -139,6 +139,7 @@ host = "{{ uploads_host }}"
 
 [security]
 content_security_policy = "{{ content_security_policy }}"
+csp = "{{ content_security_policy }}"
 cors_origins = "{{ cors_origins }}"
 
 [email]