Refactor: Add full PDPA compliance features

- Cookie consent system (banner + modal) with Thai language
- Consent logging database (Astro DB + SQLite)
- API endpoints for consent management (POST/GET/DELETE)
- Admin dashboard for viewing consent logs (/admin/consent-logs)
- Umami Analytics integration (conditional loading with consent)
- Updated Privacy Policy (full 14-section PDPA Section 36 compliance)
- Updated Terms & Conditions (17 sections, Thailand law)
- Dockerfile updated with SQLite runtime
- Node.js adapter for SSR support
- Admin password: moreminimore2026!Secure (CHANGE IN PRODUCTION)

TODO: Configure Umami Analytics with actual Website ID

db/schema.ts

@@ -0,0 +1,20 @@
+import { defineDb, defineTable, column } from 'astro:db';
+
+const ConsentLog = defineTable({
+  columns: {
+    id: column.number({ primaryKey: true }),
+    sessionId: column.text({ unique: true }),
+    timestamp: column.text(),
+    locale: column.text({ default: 'th' }),
+    essential: column.boolean({ default: true }),
+    analytics: column.boolean({ default: false }),
+    marketing: column.boolean({ default: false }),
+    policyVersion: column.text({ default: '1.0' }),
+    ipHash: column.text(),
+    userAgent: column.text()
+  }
+});
+
+export default defineDb({
+  tables: { ConsentLog }
+});