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/components/Head.tsx

@@ -1,11 +1,13 @@
+import { i18n } from "../i18n/i18next"
 import { FullSlug, _stripSlashes, joinSegments, pathToRoot } from "../util/path"
 import { JSResourceToScriptElement } from "../util/resources"
 import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
 
 export default (() => {
   function Head({ cfg, fileData, externalResources }: QuartzComponentProps) {
-    const title = fileData.frontmatter?.title ?? "Untitled"
-    const description = fileData.description?.trim() ?? "No description provided"
+    const title = fileData.frontmatter?.title ?? i18n(cfg.locale, "head.untitled")
+    const description =
+      fileData.description?.trim() ?? i18n(cfg.locale, "head.noDescriptionProvided")
     const { css, js } = externalResources
 
     const url = new URL(`https://${cfg.baseUrl ?? "example.com"}`)