fix: Add migration SQL files to repository

migrations/002_create_hourly_summary.sql

@@ -0,0 +1,19 @@
+-- Migration: Create hourly_summary table
+-- Description: Rekap per jam untuk kebutuhan grafik dashboard
+-- Date: 2024-12-28
+
+CREATE TABLE IF NOT EXISTS hourly_summary (
+    summary_date DATE NOT NULL,
+    summary_hour TINYINT UNSIGNED NOT NULL COMMENT '0-23',
+    location_code VARCHAR(64) NOT NULL,
+    gate_code VARCHAR(64) NOT NULL,
+    category VARCHAR(64) NOT NULL,
+    total_count INT UNSIGNED NOT NULL DEFAULT 0,
+    total_amount BIGINT UNSIGNED NOT NULL DEFAULT 0,
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    PRIMARY KEY (summary_date, summary_hour, location_code, gate_code, category),
+    INDEX idx_summary_date_location (summary_date, location_code),
+    INDEX idx_summary_date_hour (summary_date, summary_hour)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+