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/json/to_single_json.sql

@@ -0,0 +1,22 @@
+{% macro to_json_string_value_or_null(column) %}
+    (
+        case 
+            when {{ column }} is null then 'null'
+            else '"' ||
+                regexp_replace(
+                    replace(cast({{ column }} as {{ string_type() }}), '"', {{ escape_seq_for_json('"') }}),
+                    '\n', {{ quote_new_line() }} {% if target.type in postgres_type_db() %}, 'g' {% endif %}
+                ) || '"'
+        end
+    )
+{% endmacro %}
+
+{% macro to_single_json(columns) %}
+    '{' ||
+    {%- for column in columns %}
+        '"{{ column }}": ' ||
+        {{ to_json_string_value_or_null(column) }}
+        {%- if not loop.last %} || ',' || {%- endif %}
+    {%- endfor %}
+    || '}'
+{% endmacro %}