Add Spanish localization (synchronized with crowdin) (#734)

* Add files via upload

* Update README.es_ES.md

* Create en.json

* Update README.es_ES.md

* Update README.es_ES.md

* Update en.json

* updated spanish json, added lang

* Rename README.es_ES.md to README.es.md

* Update README.md

Spanish has been added to the list of available languages.

* Update README.fr.md

Spanish has been added to the list of available languages.

* Update README.it.md

Spanish has been added to the list of available languages.

* Update README.jp.md

Spanish has been added to the list of available languages.

* Update README.ru_RU.md

Spanish has been added to the list of available languages.

* Update README.zh_CN.md

Spanish has been added to the list of available languages.

* Fixed translation tags on profile tab

* [Implem. Fix] Past names

* Updating strings

* Update localization strings in en.json

* Temporary fix to world clasification dropdown localization

* Updating spanish translations

* Update translations

* Removing things my vscode changed lol

* Updating spanish translations

---------

Co-authored-by: Miguel Campo (migue802) <contact@migue802.com>
Co-authored-by: migue802 <54627022+migue802@users.noreply.github.com>

README.zh_CN.md

@@ -8,7 +8,7 @@
 [![VRCX Discord Invite](https://img.shields.io/discord/854071236363550763?color=%237289DA&logo=discord&logoColor=white&label=discord)](https://vrcx.pypy.moe/discord)
 
 
-| [English](./README.md) | [Français](./README.fr.md) | [日本語](./README.jp.md) | **简体中文** | [Italiano](./README.it.md) | [Русский](./README.ru_RU.md)
+| [English](./README.md) | [Français](./README.fr.md) | [日本語](./README.jp.md) | **简体中文** | [Italiano](./README.it.md) | [Русский](./README.ru_RU.md) | [Español](./README.es.md)
 
 VRCX是一个用于VRChat的辅助应用，提供有关VRChat的一些信息并帮助你以更方便的方式完成与VRChat有关的各种事情，而不是仅仅依靠VRChat游戏客户端（PC/VR）或他们的网站。它还包括一些非常有用的功能：