feat: Adding support for i18n (closes #462) (#738)

* fix: alt error mix with height/width

More granular detection of alt and resize in image

* fix: format

* feat: init i18n

* feat: add translation

* style: prettier for test

* fix: build-up the locale to fusion with dateLocale

* style: run prettier

* remove cursed file

* refactor: remove i18n library and use locale way instead

* format with prettier

* forgot to remove test

* prevent merging error

* format

* format

* fix: allow string for locale
- Check during translation if valid / existing locale
- Allow to use "en" and "en-US" for example
- Add fallback directly in the function
- Add default key in the function
- Add docstring to cfg.ts

* forgot item translation

* remove unused locale variable

* forgot to remove fr-FR testing

* format

quartz/i18n/i18next.ts

@@ -0,0 +1,37 @@
+import en from "./locales/en.json"
+import fr from "./locales/fr.json"
+
+const TRANSLATION = {
+  "en-US": en,
+  "fr-FR": fr,
+} as const
+
+type TranslationOptions = {
+  [key: string]: string
+}
+
+export const i18n = (lang = "en-US", key: string, options?: TranslationOptions) => {
+  const locale =
+    Object.keys(TRANSLATION).find(
+      (key) =>
+        key.toLowerCase() === lang.toLowerCase() || key.toLowerCase().includes(lang.toLowerCase()),
+    ) ?? "en-US"
+  const getTranslation = (key: string) => {
+    const keys = key.split(".")
+    let translationString: string | Record<string, unknown> =
+      TRANSLATION[locale as keyof typeof TRANSLATION]
+    keys.forEach((key) => {
+      // @ts-ignore
+      translationString = translationString[key]
+    })
+    return translationString
+  }
+  if (options) {
+    let translationString = getTranslation(key).toString()
+    Object.keys(options).forEach((key) => {
+      translationString = translationString.replace(`{{${key}}}`, options[key])
+    })
+    return translationString
+  }
+  return getTranslation(key).toString()
+}