[RTL] Fix top-nav position (#2018)

Author: chalin

assets/scss/main.scss

@@ -35,6 +35,7 @@
 @import "drawio";
 @import "shortcodes";
 @import "swagger";
+@import "support/rtl";
 
 
 @if $td-enable-google-fonts {

assets/scss/support/_rtl.scss

@@ -0,0 +1,7 @@
+@each $breakpoint, $_ in $container-max-widths {
+  @include media-breakpoint-up($breakpoint) {
+    html[dir="rtl"] .ms-#{$breakpoint}-auto {
+      margin-left: initial !important;
+    }
+  }
+}

userguide/hugo.yaml

@@ -30,6 +30,7 @@ menu:
 languages:
   en:
     languageName: English
+    languageDirection: rtl
     params:
       description: Docsy does docs