Nushell Updates: Continued Development and Documentation Improvements

- rgwood [cleaned up tests and unused documentation code](https://github.com/nushell/nushell/pull/5273), and [Clean up unused files in repo root](https://github.com/nushell/nushell/pull/5272), and [Handle custom values in `describe`](https://github.com/nushell/nushell/pull/5248), and [SQLite overhaul: custom value, `query db` command](https://github.com/nushell/nushell/pull/5247) - raboof fixed [typo: seach -> search](https://github.com/nushell/nushell/pull/5264), and [git completion: 'git fetch' for remotes](https://github.com/nushell/nushell/pull/5253) - jaeheonji created [feat: add search terms to `conversions`](https://github.com/nushell/nushell/pull/5259) - stormasm [added newlines to the end of the default config files](https://github.com/nushell/nushell/pull/5256) - sholderbach updated [reedline main branch for development cycle](https://github.com/nushell/nushell/pull/5249) - pinjeff [refactored html module](https://github.com/nushell/nushell/pull/5246) - Yethal [allowed par-each to receive $in](https://github.com/nushell/nushell/pull/5229) - Tropid added [Feature/refactor completion options](https://github.com/nushell/nushell/pull/5228) - Sygmei [added custom_completion field to `$nu.scope.commands` command](https://github.com/nushell/nushell/pull/5227) - merelymyself [Added search terms to math commands](https://github.com/nushell/nushell/pull/5224) - zkat [updated miette and switch to GenericErrors](https://github.com/nushell/nushell/pull/5222) - filaretov [simplified known external tests](https://github.com/nushell/nushell/pull/5219), and [Add known external tests](https://github.com/nushell/nushell/pull/5216), and [Simplify known external name recovery](https://github.com/nushell/nushell/pull/5213) - homburg created [`nth` -> `select` command](https://github.com/nushell/nushell/pull/5217) - schrieveslaach created [Shell Integration](https://github.com/nushell/nushell/pull/5162) ## Documentation - hustcer [added translation guide](https://github.com/nushell/nushell.github.io/pull/413), and [Translate line_editor.md to zh-CN from commit: e0688a346](https://github.com/nushell/nushell.github.io/pull/412), and [Update i18n.nu add `outdated` command to check outdated translations](https://github.com/nushell/nushell.github.io/pull/408), and [Translate coloring_and_theming.md to zh-CN from commit: f3dc86d3d](https://github.com/nushell/nushell.github.io/pull/407) - stormasm created [update section on aliases for adding pipes and persisting](https://github.com/nushell/nushell.github.io/pull/411) - raboof [fixed typo required->require](https://github.com/nushell/nushell.github.io/pull/410) - rgwood [documented PATH configuration](https://github.com/nushell/nushell.github.io/pull/406) ## Nu_Scripts - raboof created [custom completions: git: 'git fetch'](https://github.com/nushell/nu_scripts/pull/210) ## reedline - zim0369 [added vim's `C` binding](https://github.com/nushell/reedline/pull/405), and [Implements vim's prepend to start binding](https://github.com/nushell/reedline/pull/403) - sholderbach [added better options for screen clearing](https://github.com/nushell/reedline/pull/400), and [Add explicit `EditCommand::InsertNewline`](https://github.com/nushell/reedline/pull/399)

This section covers the continued development of Nushell, including cleaning up tests, fixing typos, adding search terms to conversions and math commands, updating the reedline branch, refactoring the HTML module, allowing par-each to receive $in, refactoring completion options, adding a custom_completion field, updating miette, simplifying external tests, creating an 'nth' -> 'select' command, and shell integration. Documentation updates include a translation guide, alias updates, typo fixes, and PATH configuration documentation. Nu_Scripts saw the creation of custom git fetch completions. Reedline updates feature improvements like Vim bindings and screen clearing options.