IceHe

feat(core,phrases): throw database error with meaningful message

2

## Summary Throw `RequestError` about `DatabaseError` with meaningful message - e.g. `value too long for type character varying(128)` ## Testing - [x] UTs - Locally tested. 

fix: add title to api reference page

1

## Summary Add the title "API" to API Reference page - The full title of API Reference page should `API | Logto Docs` (i.e. page title + ' | '...

feat(core): add PUT /custom-phrases/:languageKey route

2

## Summary - Add `PUT /custom-phrases/:languageKey` router - Bugfix: `returning *` should be after `on conflict …` in the `insert into …` SQL statement (see [doc](https://www.postgresql.org/docs/current/sql-insert.html) for more details) -...

feat(core): add DELETE /custom-phrases/:languageKey route

2

## Summary - Add `DELETE /custom-phrases/:languageKey` route - If the specified custom phrase does not exist before deleting, it will return 404 status. - If the specified custom phrase exists...