Add pluralization support to Translation component (#4441)

* Initial plan

* Add pluralization support to Translation component with comprehensive tests

Co-authored-by: gabek <414923+gabek@users.noreply.github.com>

* Javascript formatting autofixes

* Update web/tests/translation.test.tsx

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update web/components/ui/Translation/Translation.tsx

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* fix: linter warning

* Simplify pluralization logic: use original key for plural, only _one for singular

Co-authored-by: gabek <414923+gabek@users.noreply.github.com>

* feat(i18n): fix support for nested namespace string and key extraction

* chore: update extracted translations

* fix(i18n): fix linter warnings in extraction script

* Update web/scripts/i18n-extract.js

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* feat(i18n): sort translation keys

* fix(i18n): fix linter warnings

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: gabek <414923+gabek@users.noreply.github.com>
Co-authored-by: Owncast <owncast@owncast.online>
Co-authored-by: Gabe Kangas <gabek@real-ity.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

web/package.json

@@ -16,8 +16,7 @@
 		"build-styles": "cd ./style-definitions && style-dictionary build && ./build.sh && cd -",
 		"test": "jest",
 		"format": "prettier --write  **/*.{js,ts,jsx,tsx,css,md,scss}",
-		"translate": "i18next -c i18next-parser.config.mjs",
-		"i18n:extract": "node scripts/i18n-extract.js"
+		"translate": "i18next -c i18next-parser.config.mjs && node scripts/i18n-extract.js"
 	},
 	"dependencies": {
 		"@ant-design/icons": "4.8.3",
@@ -157,4 +156,4 @@
 			"emoji-mart": "5.2.2"
 		}
 	}
-}
+}