fix(i18n): Add RTL Detection based on Config Set Language (#2100)

* Add rtl automatic detection to base.scss

* Implement RTL support for Arabic and Persian locales and update HTML direction attribute in renderPage component

* Update HTML direction attribute in renderPage component to prioritize frontmatter dir value

* Refactor renderPage component to simplify HTML direction attribute assignment by removing frontmatter dir fallback

quartz/i18n/locales/ar-SA.ts

@@ -5,6 +5,7 @@ export default {
     title: "غير معنون",
     description: "لم يتم تقديم أي وصف",
   },
+  direction: "rtl" as const,
   components: {
     callout: {
       note: "ملاحظة",