v1.0.0 Checklist

[karlomikus]

• [x] Finish OpenApi specification
• [x] Include substitute ingredients when showing what cocktails a user can make
• [ ] Test docker up/down with database migrations and seeding
• [x] Add the most "popular" cocktails
• [x] Check performance issues (opcache/remove file session)
• [ ] Add command to reset search indexes
• [x] Preselect some default ingredients for new deploys
• [x] Add demo environment
  • [x] Generate specific api key for meilisearch