🌐Update Bulgarian translation

- Update language list in documentation
- Replace language code with emoji

exampleSite/content/docs/configuration/index.md

@@ -57,6 +57,7 @@ The theme currently supports the following languages by default:
 
 | Language                       | Code    |
 | ------------------------------ | ------- |
+| 🇧🇬 Bulgarian                   | `bg`    |
 | 🇧🇩 Bengali                      | `bn`    |
 | 🇨🇿 Czech                        | `cs`    |
 | 🇩🇪 German                       | `de`    |

i18n/bg.yaml

@@ -1,5 +1,5 @@
 global:
-  language: "БГ"
+  language: "🇧🇬"
 
 article:
   anchor_label: "Котва"
@@ -24,7 +24,7 @@ article:
   part_of_series: "Тази статия е част от поредица."
   part: "Част"
   this_article: "Тази Статия"
-  related_articles: "Related"
+  related_articles: "Подобни"
 
 
 author: