- added: config `nosql-logger` (default `true`) enables simple logs when re-indexing and cleaning

- added: config `security.txt` for auto-generating security.txt content (more in docs)

- added: config `default-proxy` for default web proxy server

- added: `NOSQLSTORAGE(name)` alias for `NOSQL(name).storage`

- added: `GUID()` a global alias for `U.GUID()`

- added: `VIEW()` a global alias for `F.view()`

- updated: `CORS()` tries to join multiple same preferences to one

- updated: `U.keywords()` for Chinese/Japan characters

- updated: `@{import()}` by adding `manifest` value linked to `/manifest.json`

- fixed: mail attachments

- fixed: mail `message.manually()`