[Feature] Implement internazionalization for Decky Loader (#361)

* First iteration for internationalization of the loader

* First iteration for internationalization of the loader

* Cleanup node mess

* Cleanup node mess pt2

* Additional touches

* Latest decky changed merged into i18n and updated translation.

* Styling fixes

* Initial backend hosting implementation

* Added correct url path of the loopback server.

* Added correct url path of the loopback server.

* Some better namespaced text.

* Added whitelist for locales path.

* Refactor languages and fix hooks logic bugs.

* Small typo in language translation structure.

* Working backend, automatically swtich languages with steam and language fixes.

* Fix to languages

* Key fixes

* Additional language fixes.

* Additional json changes

* Final text revision and added a vscode tasks to automatically extract text from code.

* Typo in the middleware

* Remove unused imports

* Cleanup whitespaces.

* Import changes

* Revert "Import changes"

This reverts commit 8e8231950f.

* Update index.d.ts

* Clean up unused imports

* Delete pnpm-lock.yaml

* Update rollup.config.js

* Update PluginInstallModal.tsx

* Update index.tsx

* Update plugin-loader.tsx

* Update plugin-loader.tsx

* Revert "Delete pnpm-lock.yaml"

This reverts commit 3a39f36f21.

* Additional strings reworks.

* Fixes for issues coming from github merge.

* Fixes for master

* Styling fixes

* Styling pt2

* Missed a few strings in master,

* Styling fixes

* Additional master merge fixes.

* Final cleanup and adaptation to master.

* Final empty language cleanup and few string added

* Small changes to italian translation

* Disabled translation on a few components inside plugin-loader for missing react hooks.

* Fixed passing tag to translation.

* Disable debug output for reducing console spam.

* Return correct content type

* Small italian language change

* Added support for country code

* Fixed missing translation for uninstall popup.

* Fix class name shenanigans for  toast notification

* Update dependencies

* Fixed github workflow to include the new locales folder

* Update dependencies to latest version (unless it's React) and fixed the new small errors that cropped up

* Missed a file name change

* Updated dev dependencies to latest version

* Missed a few dev dependencies

* Revert "Update dependencies to latest version (unless it's React) and fixed the new small errors that cropped up"

Messed up merge with a different main branch

* Messed up deletion of rollup config.

* Fix broken pnpm lock file

* Missed a localized string during the merge

* Fixed a parameter mistake in the uninstall text parameter

* Fix pnpm random issues

* Small italian language tweaks

* Fix wrong parameter passed to the uninstall function call

* Another fix on a wrong function parameter

* Additional translation text on the store and branch selection channels

* Changed the default type passed to map to being able to index the two arrays.

* Reverted and reworked the last changes

* Distinguish events in UI for installing vs reinstalling plugins

* Additional fixes for reinstall prompt

* Revert the use of intevalPlural since the parser doesn't seem to support that.

* Missed a routing path in the backend

* Small bugfixes

* Small fixes

* Correctly adding the parameter to the request headers.

* Refactoring of the UI popup modal

* Fix pnpm shenanigans

* Final fixes for the install UI localization

* Clean up unnedeed backend code

* Small rework on text selection.

* Cleaned up parser configuration

* Removed extracttext dependency to pnpmsetup

* Merged translation and cleaned up parser

* Fixed JSON structure after manual merge.

* Added translation to the file picker

* Revert changes to PluginInstallModal

* Reworked the text modal for the final time

* Missed the proper linted text

* Missed the backend change

* Final branch cleanup

* Fixed small translation bleeding

Caused from the manual merge of _old.json files.

* fix extra space in browser.py

* fix extra newline in plugin-loader.tsx

* Cleanup i18next-parser.config.mjs

* Update plugin-loader.tsx

* Cleanup language files

* Better labeling of text

* Fixed language typos in BranchSelect

* Fixed language typos in StoreSelect

* Cleanup plugin-loader.tsx from unused imports

* Removed the path bypass since I'm using authentication from the frontend.

* Reimplemented this component as a functional component.

* Updated dependencies and lockfile

* Removed static route from main.py

Already handled in loader.py

* Small italian coherency fixes

* Fix small typography fixes on plugin name uninstall

* Fixed italian typo on removal popup

* Reenabled manual escaping value in i18next

* Set to fallback to the default language if the string in the JSON file is empty.

* Fixed pnpm wankery

* Added a missed italian text translation string

---------

Co-authored-by: AAGaming <aa@mail.catvibers.me>

frontend/src/developer.tsx

@@ -18,6 +18,7 @@ import {
   staticClasses,
   updaterFieldClasses,
 } from 'decky-frontend-lib';
+import { useTranslation } from 'react-i18next';
 import { FaReact } from 'react-icons/fa';
 
 import Logger from './logger';
@@ -58,9 +59,11 @@ export async function setShowValveInternal(show: boolean) {
 }
 
 export async function setShouldConnectToReactDevTools(enable: boolean) {
+  const { t } = useTranslation();
+
   window.DeckyPluginLoader.toaster.toast({
-    title: (enable ? 'Enabling' : 'Disabling') + ' React DevTools',
-    body: 'Reloading in 5 seconds',
+    title: (enable ? t('Developer.enabling') : t('Developer.disabling')) + ' React DevTools',
+    body: t('Developer.5secreload'),
     icon: <FaReact />,
   });
   await sleep(5000);