Add RU redirect button in all README (#1449)

Original commits:

* Update README.md

* Update README_HE.md

* Update README_es-ES.md

* Update README_fr-FR.md

* Update README_zh-CN.md

* Update README_zh-TW.md

README.md

@@ -3,7 +3,7 @@
 
 <div align="center"><a href="https://discord.gg/T5vZU6UyeG"><img alt="Discord - Grasscutter" src="https://img.shields.io/discord/965284035985305680?label=Discord&logo=discord&style=for-the-badge"></a></div>
 
-EN | [简中](README_zh-CN.md) | [繁中](README_zh-TW.md) | [FR](README_fr-FR.md) | [ES](README_es-ES.md) | [HE](README_HE.md)
+EN | [简中](README_zh-CN.md) | [繁中](README_zh-TW.md) | [FR](README_fr-FR.md) | [ES](README_es-ES.md) | [HE](README_HE.md) | [RU](README_ru-RU.md)
 
 **Attention:** We always welcome contributors to the project. Before adding your contribution, please carefully read our [Code of Conduct](https://github.com/Grasscutters/Grasscutter/blob/stable/CONTRIBUTING.md).
 

README_HE.md

@@ -3,7 +3,7 @@
 
 <div align="center"><a href="https://discord.gg/T5vZU6UyeG"><img alt="Discord - Grasscutter" src="https://img.shields.io/discord/965284035985305680?label=Discord&logo=discord&style=for-the-badge"></a></div>
 
-עברית | [简中](README_zh-CN.md) | [繁中](README_zh-TW.md) | [FR](README_fr-FR.md) | [EN](README.md) | [ES](README_es-ES.md)
+עברית | [简中](README_zh-CN.md) | [繁中](README_zh-TW.md) | [FR](README_fr-FR.md) | [EN](README.md) | [ES](README_es-ES.md) | [RU](README_ru-RU.md)
 **תשומת לב בבקשה:** אנחנו מקבלים עזרה בפיתוח התוכנה. לפני שאתם תורמים לפרויקט בבקשה תקראו את [תנאי השימוש](https://github.com/Grasscutters/Grasscutter/blob/stable/CONTRIBUTING.md).
 
 ## אפשרויות זמינות כרגע

README_es-ES.md

@@ -3,7 +3,7 @@
 
 <div align="center"><a href="https://discord.gg/T5vZU6UyeG"><img alt="Discord - Grasscutter" src="https://img.shields.io/discord/965284035985305680?label=Discord&logo=discord&style=for-the-badge"></a></div>
 
-[EN](README.md) | [简中](README_zh-CN.md) | [繁中](README_zh-TW.md) | [FR](README_fr-FR.md) | [HE](README_HE.md) | ES
+[EN](README.md) | [简中](README_zh-CN.md) | [繁中](README_zh-TW.md) | [FR](README_fr-FR.md) | [HE](README_HE.md) | ES  | [RU](README_ru-RU.md)
 
 **Atención:** Siempre damos la bienvenidas a contribuidores del proyecto. Antes de añadir tu contribución, por favor lee cuidadosamente nuestro [Código de conducta](https://github.com/Grasscutters/Grasscutter/blob/stable/CONTRIBUTING.md).
 

README_fr-FR.md

@@ -3,7 +3,7 @@
 
 <div align="center"><a href="https://discord.gg/T5vZU6UyeG"><img alt="Discord - Grasscutter" src="https://img.shields.io/discord/965284035985305680?label=Discord&logo=discord&style=for-the-badge"></a></div>
 
-[EN](README.md) | [简中](README_zh-CN.md) | [繁中](README_zh-TW.md) | FR | [ES](README_es-ES.md) | [HE](README_HE.md)
+[EN](README.md) | [简中](README_zh-CN.md) | [繁中](README_zh-TW.md) | FR | [ES](README_es-ES.md) | [HE](README_HE.md) | [RU](README_ru-RU.md)
 
 **Attention:** De nouveaux contributeurs sont toujours les bienvenus. Avant d'ajouter votre contribution, veuillez lire le [code de conduite](https://github.com/Grasscutters/Grasscutter/blob/stable/CONTRIBUTING.md).
 

README_zh-CN.md

@@ -3,7 +3,7 @@
 
 <div align="center"><a href="https://discord.gg/T5vZU6UyeG"><img alt="Discord - Grasscutter" src="https://img.shields.io/discord/965284035985305680?label=Discord&logo=discord&style=for-the-badge"></a></div>
 
-[EN](README.md) | 简中 | [繁中](README_zh-TW.md) | [FR](README_fr-FR.md) | [ES](README_es-ES.md) | [HE](README_HE.md)
+[EN](README.md) | 简中 | [繁中](README_zh-TW.md) | [FR](README_fr-FR.md) | [ES](README_es-ES.md) | [HE](README_HE.md) | [RU](README_ru-RU.md)
 
 **请注意:** 欢迎成为本项目的贡献者。在提交 PR 之前, 请仔细阅读[代码规范](https://github.com/Grasscutters/Grasscutter/blob/stable/CONTRIBUTING.md)。
 

README_zh-TW.md

@@ -3,7 +3,7 @@
 
 <div align="center"><a href="https://discord.gg/T5vZU6UyeG"><img alt="Discord - Grasscutter" src="https://img.shields.io/discord/965284035985305680?label=Discord&logo=discord&style=for-the-badge"></a></div>
 
-[EN](README.md) | [简中](README_zh-CN.md) | 繁中 | [FR](README_fr-FR.md) | [ES](README_es-ES.md) | [HE](README_HE.md)
+[EN](README.md) | [简中](README_zh-CN.md) | 繁中 | [FR](README_fr-FR.md) | [ES](README_es-ES.md) | [HE](README_HE.md) | [RU](README_ru-RU.md)
 
 **請注意:** 歡迎成為本專案的貢獻者。在提交 PR 之前, 請仔細閱讀[程式碼規範](https://github.com/Grasscutters/Grasscutter/blob/stable/CONTRIBUTING.md)。