Adding Belarusian language (#947)

* Adding Belarusian language

* Update README.md

* Add files via upload

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Co-authored-by: Johannes Theiner <kontakt@joethei.xyz>

README.md

@@ -84,7 +84,7 @@ Here is a table of language code to language name, in alphabetical order. These
 | `am` | Amharic |  አማርኛ | ✅ |
 | `ar` | Arabic | العربية | 🚧 |
 | `eu` | Basque | Euskara | 🚧 |
-| `be` | Belarusian | беларуская мова | 🚧 |
+| `be` | Belarusian | беларуская мова | ✅ |
 | `bg` | Bulgarian | български език | 🚧 |
 | `bn` | Bengali | বাংলা | 🚧 |
 | `ca` | Catalan | català | 🚧 |