Initial publish of dbt_f2dq (f2dq) package v0.12.1.

Clean package repo for Gitea installs via packages.yml git URL.

Co-authored-by: Cursor <cursoragent@cursor.com>

macros/utils/is_list.sql

@@ -0,0 +1,7 @@
+{% macro is_list(obj) %}
+    {% if not obj %}
+        {{ return (False) }}
+    {% endif %}
+    {% set check = obj is iterable and (obj is not string and obj is not mapping) %}
+    {{ return (check) }}
+{% endmacro %}