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>

.dockerignore

@@ -0,0 +1,11 @@
+.git
+.gitea
+.next
+node_modules
+data/
+*.db
+*.db-shm
+*.db-wal
+.env*
+npm-debug.log*
+.DS_Store