MWPW-125482 Adding dir property in config locale list (#63)

https://github.com/orgs/adobecom/discussions/746
To be merged after the following change in milo is merged - adobecom/milo#777

Resolves: MWPW-125482

Test URLs:

Before: https://main--milo--adobecom.hlx.page/mena_ar/drafts/mathuria/test?martech=off
After: https://rtlfix--milo--aishwaryamathuria.hlx.page/mena_ar/drafts/mathuria/test?martech=off

creativecloud/scripts/scripts.js

@@ -74,10 +74,10 @@ const locales = {
   bg: { ietf: 'bg-BG', tk: 'aaz7dvd.css' },
   ru: { ietf: 'ru-RU', tk: 'aaz7dvd.css' },
   ua: { ietf: 'uk-UA', tk: 'aaz7dvd.css' },
-  il_he: { ietf: 'he', tk: 'nwq1mna.css' },
-  ae_ar: { ietf: 'ar', tk: 'nwq1mna.css' },
-  mena_ar: { ietf: 'ar', tk: 'dis2dpj.css' },
-  sa_ar: { ietf: 'ar', tk: 'nwq1mna.css' },
+  il_he: { ietf: 'he', tk: 'nwq1mna.css', dir: 'rtl' },
+  ae_ar: { ietf: 'ar', tk: 'nwq1mna.css', dir: 'rtl' },
+  mena_ar: { ietf: 'ar', tk: 'dis2dpj.css', dir: 'rtl' },
+  sa_ar: { ietf: 'ar', tk: 'nwq1mna.css', dir: 'rtl' },
   // Asia Pacific
   au: { ietf: 'en-AU', tk: 'pps7abe.css' },
   hk_en: { ietf: 'en-HK', tk: 'pps7abe.css' },