feat: initial commit for merica-pipeline delivery

dbt/models/gold/fct_spku_daily_mart.sql

@@ -0,0 +1,12 @@
+-- dbt Gold Model: fct_spku_daily_mart
+{{ config(materialized='table', schema='gold') }}
+
+SELECT
+    stasiun_id,
+    nama_stasiun_clean,
+    AVG(ispu_value) AS avg_daily_ispu,
+    MAX(ispu_value) AS max_daily_ispu,
+    COUNT(*) AS total_readings,
+    CURRENT_DATE AS mart_date
+FROM {{ ref('stg_spku_realtime') }}
+GROUP BY stasiun_id, nama_stasiun_clean