docs: add Japanese README (#529)

I created Japanese translated README.

README.ja.md

@@ -0,0 +1,83 @@
+# Fish Speech
+
+**英語** | [中文简体](README.zh.md) | [ポルトガル語 (ブラジル)](README.pt-BR.md) | 日本語
+
+<div>
+<a href="https://www.producthunt.com/posts/fish-speech-1-4?embed=true&utm_source=badge-featured&utm_medium=badge&utm_souce=badge-fish&#0045;speech&#0045;1&#0045;4" target="_blank"><img src="https://api.producthunt.com/widgets/embed-image/v1/featured.svg?post_id=488440&theme=light" alt="Fish&#0032;Speech&#0032;1&#0046;4 - Open&#0045;Source&#0032;Multilingual&#0032;Text&#0045;to&#0045;Speech&#0032;with&#0032;Voice&#0032;Cloning | Product Hunt" style="width: 250px; height: 54px;" width="250" height="54" /></a>
+
+<a href="https://trendshift.io/repositories/7014" target="_blank">
+<img src="https://trendshift.io/api/badge/repositories/7014" alt="fishaudio%2Ffish-speech | Trendshift" style="width: 250px; height: 55px;" width="250" height="55"/>
+</a>
+</div>
+
+<div>
+<a target="_blank" href="https://discord.gg/Es5qTB9BcN">
+<img alt="Discord" src="https://img.shields.io/discord/1214047546020728892?color=%23738ADB&label=Discord&logo=discord&logoColor=white&style=flat-square"/>
+</a>
+<a target="_blank" href="https://hub.docker.com/r/lengyue233/fish-speech">
+<img alt="Docker" src="https://img.shields.io/docker/pulls/lengyue233/fish-speech?style=flat-square&logo=docker"/>
+</a>
+<a target="_blank" href="https://github.com/fishaudio/fish-speech/actions/workflows/build-windows-package.yml">
+<img alt="Action" src="https://img.shields.io/github/actions/workflow/status/fishaudio/fish-speech/build-windows-package.yml?style=flat-square&label=Build%20Windows%20Package&logo=github"/>
+</a>
+</div>
+
+このコードベースとすべてのモデルは、CC-BY-NC-SA-4.0ライセンスの下でリリースされています。詳細については、[LICENSE](LICENSE)を参照してください。
+
+## 免責事項
+
+コードベースの違法な使用については一切責任を負いません。DMCA（デジタルミレニアム著作権法）およびその他の関連法については、地域の法律を参照してください。
+
+## オンラインデモ
+
+[Fish Audio](https://fish.audio)
+
+## ローカル推論のクイックスタート
+
+[inference.ipynb](/inference.ipynb)
+
+## ビデオ
+
+#### V1.4 デモビデオ: https://www.bilibili.com/video/BV1pu46eVEk7
+
+#### V1.2 デモビデオ: https://www.bilibili.com/video/BV1wz421B71D
+
+## ドキュメント
+
+- [英語](https://speech.fish.audio/)
+- [中文](https://speech.fish.audio/zh/)
+- [日本語](https://speech.fish.audio/ja/)
+- [ポルトガル語 (ブラジル)](https://speech.fish.audio/pt/)
+
+## サンプル
+
+- [英語](https://speech.fish.audio/samples/)
+- [中文](https://speech.fish.audio/zh/samples/)
+- [日本語](https://speech.fish.audio/ja/samples/)
+- [ポルトガル語 (ブラジル)](https://speech.fish.audio/pt/samples/)
+
+## クレジット
+
+- [VITS2 (daniilrobnikov)](https://github.com/daniilrobnikov/vits2)
+- [Bert-VITS2](https://github.com/fishaudio/Bert-VITS2)
+- [GPT VITS](https://github.com/innnky/gpt-vits)
+- [MQTTS](https://github.com/b04901014/MQTTS)
+- [GPT Fast](https://github.com/pytorch-labs/gpt-fast)
+- [GPT-SoVITS](https://github.com/RVC-Boss/GPT-SoVITS)
+
+## スポンサー
+
+<div>
+  <a href="https://6block.com/">
+    <img src="https://avatars.githubusercontent.com/u/60573493" width="100" height="100" alt="6Block Avatar"/>
+  </a>
+  <br>
+  <a href="https://6block.com/">データ処理スポンサー：6Block</a>
+</div>
+<div>
+  <a href="https://www.lepton.ai/">
+    <img src="https://www.lepton.ai/favicons/apple-touch-icon.png" width="100" height="100" alt="Lepton Avatar"/>
+  </a>
+  <br>
+  <a href="https://www.lepton.ai/">Fish AudioはLepton.AIで提供されています</a>
+</div>

README.md

@@ -1,6 +1,6 @@
 # Fish Speech
 
-**English** | [中文简体](README.zh.md) | [Portuguese (Brazil)](README.pt-BR.md)
+**English** | [中文简体](README.zh.md) | [Portuguese (Brazil)](README.pt-BR.md)| [日本語](README.ja.md)
 
 <div>
 <a href="https://www.producthunt.com/posts/fish-speech-1-4?embed=true&utm_source=badge-featured&utm_medium=badge&utm_souce=badge-fish&#0045;speech&#0045;1&#0045;4" target="_blank"><img src="https://api.producthunt.com/widgets/embed-image/v1/featured.svg?post_id=488440&theme=light" alt="Fish&#0032;Speech&#0032;1&#0046;4 - Open&#0045;Source&#0032;Multilingual&#0032;Text&#0045;to&#0045;Speech&#0032;with&#0032;Voice&#0032;Cloning | Product Hunt" style="width: 250px; height: 54px;" width="250" height="54" /></a>

README.pt-BR.md

@@ -2,7 +2,7 @@
 
 <div align="center">
 
-[Inglês](README.md) | [Chinês](README.zh.md) | **Português (Brasil)**
+[Inglês](README.md) | [Chinês](README.zh.md) | **Português (Brasil)** | [Japonês](README.ja.md)
 
 </div>
 

README.zh.md

@@ -2,7 +2,7 @@
 
 <div align="center">
 
-[English](README.md) | **中文简体** | [Português (Brasil)](README.pt-BR.md)
+[English](README.md) | **中文简体** | [Português (Brasil)](README.pt-BR.md) | [日本語](README.ja.md)
 
 </div>
 
@@ -14,7 +14,7 @@
 <img alt="QQ" src="https://img.shields.io/badge/QQ Group-%2312B7F5?logo=tencent-qq&logoColor=white&style=flat-square"/>
 </a>
 <a target="_blank" href="https://hub.docker.com/r/lengyue233/fish-speech">
-<img alt="Docker" src="https://img.shields.io/docker/pulls/lengyue233/fish-speech?style=flat-square&logo=docker"/>
+<img alt="Docker" src="https://img.sh.io/docker/pulls/lengyue233/fish-speech?style=flat-square&logo=docker"/>
 </a>
 <a target="_blank" href="https://github.com/fishaudio/fish-speech/actions/workflows/build-windows-package.yml">
 <img alt="Action" src="https://img.shields.io/github/actions/workflow/status/fishaudio/fish-speech/build-windows-package.yml?style=flat-square&label=Build%20Windows%20Package&logo=github"/>