docs: add en translate

docs/content/en/_index.md

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+---
+title: Introduction
+---
+
+# Save Any Bot
+
+![](https://img.shields.io/github/go-mod/go-version/krau/SaveAny-Bot?style=flat-square)
+![](https://img.shields.io/github/license/krau/SaveAny-Bot?style=flat-square)
+![](https://img.shields.io/github/v/release/krau/SaveAny-Bot?color=cyan&style=flat-square)
+![](https://img.shields.io/github/downloads/krau/SaveAny-Bot/total?style=flat-square)
+
+Save Any Bot is a tool that allows you to save files from Telegram to various storage backends.
+
+## Features
+
+- Supports documents/videos/images/stickers... and even Telegraph
+- Breaks restrictions on saving files
+- Batch download
+- Streaming
+- Multi-user
+- Automatic organization based on storage rules
+- Supports multiple storage backends:
+    - Alist
+    - Minio (S3 compatible)
+    - WebDAV
+    - Telegram (re-upload to specified chat)
+    - Local disk
+
+## [Contributors](https://github.com/krau/SaveAny-Bot/graphs/contributors)
+
+![Contributors](https://contrib.rocks/image?repo=krau/SaveAny-Bot&max=750&columns=20)