* #
* - refactor: simplified getCustomConfig func
* #
* - feature: persist values for parameters with optionType of custom
* #
* - refactor: moved `Parameters/settings.ts` into `data-provider` so that both frontend and backend code can use it.
* - feature: loadCustomConfig can now parse and validate customParams property for `endpoints.custom` in `librechat.yaml`
* # fixed linter
* # removed .strict() in config.ts
* change: added packages/data-provider/src to SOURCE_DIRS for i18n check
* # removed unnecessary lodash imports
* # addressed PR comments
# fixed lint for updated files
* # better import for lodash (w/o relying on tree-shaking)