feat: initial project scaffold with CI/CD and Docker deployment

Next.js 15 + Tailwind CSS v4 week calendar showing Six Flags park hours.
Scrapes the internal CloudFront API, stores results in SQLite.
Includes Dockerfile (Debian/Playwright-compatible), docker-compose, and
Gitea Actions pipeline that builds and pushes to the container registry.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/api/parks/route.ts

@@ -0,0 +1,59 @@
+import { NextRequest, NextResponse } from "next/server";
+import { PARKS } from "@/lib/parks";
+import { openDb, getMonthCalendar } from "@/lib/db";
+import type { Park } from "@/lib/scrapers/types";
+
+export interface ParksApiResponse {
+  parks: Park[];
+  calendar: Record<string, boolean[]>;
+  month: string;
+  daysInMonth: number;
+}
+
+function getDaysInMonth(year: number, month: number): number {
+  return new Date(year, month, 0).getDate();
+}
+
+function parseMonthParam(
+  monthParam: string | null
+): { year: number; month: number } | null {
+  if (!monthParam) return null;
+  const match = monthParam.match(/^(\d{4})-(\d{2})$/);
+  if (!match) return null;
+  const year = parseInt(match[1], 10);
+  const month = parseInt(match[2], 10);
+  if (month < 1 || month > 12) return null;
+  return { year, month };
+}
+
+export async function GET(request: NextRequest): Promise<NextResponse> {
+  const monthParam = request.nextUrl.searchParams.get("month");
+  const parsed = parseMonthParam(monthParam);
+
+  if (!parsed) {
+    return NextResponse.json(
+      { error: "Invalid or missing ?month=YYYY-MM parameter" },
+      { status: 400 }
+    );
+  }
+
+  const { year, month } = parsed;
+  const daysInMonth = getDaysInMonth(year, month);
+
+  const db = openDb();
+  const calendar = getMonthCalendar(db, year, month);
+  db.close();
+
+  const response: ParksApiResponse = {
+    parks: PARKS,
+    calendar,
+    month: `${year}-${String(month).padStart(2, "0")}`,
+    daysInMonth,
+  };
+
+  return NextResponse.json(response, {
+    headers: {
+      "Cache-Control": "public, s-maxage=3600, stale-while-revalidate=86400",
+    },
+  });
+}