Move proxy_pass directive to correct position in nginx location block and
update proxy settings: enable request body forwarding (proxy_pass_request_body
on) and pass original Content-Length header (from $content_length variable)
instead of stripping it, ensuring auth-proxy receives full request payloads.
- Change whitelist response format to use single `entry` field instead of `ip` + `reason`
- Update auth endpoint to return 204 No Content instead of 200 with body
- Add 405 Method Not Allowed response for auth endpoint
- Fix operationId for permanent whitelist endpoint (was `listTempWhitelist`)
- Add query parameters for logs endpoint: action, ip, limit, offset
- Update documentation in docs/api.md and openapi.yaml
- Add GET /api/whitelist/perm/list to list permanent whitelisted entries
- Implement permWhitelistListHandler with API key verification
- Rename permanent_whitelist table to perm_whitelist for consistency
- Update default DB path from ./data to /data
- Comment out build job in CI/CD workflow
- Migrate IP-based temporary whitelisting from file to SQLite storage
- Add REST API endpoints for managing temporary and permanent whitelists
- Create `.env.example` with required environment variables
- Document API endpoints in README.md and docs/api.md
- Add new dependency `modernc.org/sqlite` for SQLite support
- Update deployment and security documentation
