feat(route): add spotify (#8966)

* feat: /spotify/playlist/:id

* feat: /spotify/artist

* feat(spotify/artist): add to radar

* feat: /spotify/saved

* feat: /spotify/top/{tracks,artists}

* feat(spotify): add images for artist and playlist

* docs: /spotify/*

* docs/en: /spotify configurations

* chore(spotify): apiKey/Secret -> clientId/Secret

* fix(spotify/utils): genres can be empty

docs/en/install/README.md

@@ -538,6 +538,16 @@ See docs of the specified route and `lib/config.js` for detailed information.
 
     -   `GITHUB_ACCESS_TOKEN`: GitHub Access Token
 
+-   spotify: [API key registration](https://developer.spotify.com)
+
+    -   `SPOTIFY_CLIENT_ID`：Client ID of the application
+
+    -   `SPOTIFY_CLIENT_SECRET`：Client secret of the application
+
+-   spotify (user data related routes):
+
+    -   `SPOTIFY_REFRESHTOKEN`：The refresh token of the user f the Spotify application. Check [this gist](https://gist.github.com/outloudvi/d1bbeb5e989db5385384a223a7263744) for detailed information.
+
 -   Instagram:
 
     -   `IG_USERNAME`: Your Instagram username

docs/en/multimedia.md

@@ -150,6 +150,30 @@ Refer to [Pornhub F.A.Qs](https://help.pornhub.com/hc/en-us/articles/36004432703
 
 <RouteEn author="fallenhh" example="/soundcloud/tracks/angeart" path="/soundcloud/tracks/:user" :paramsDesc="['User name']" />
 
+## Spotify
+
+
+### Artist Albums
+
+<RouteEn author="outloudvi" example="/spotify/artist/6k9TBCxyr4bXwZ8Y21Kwn1" path="/spotify/artist/:id" :paramsDesc="['Artist ID']" />
+
+### Playlist
+
+<RouteEn author="outloudvi" example="/spotify/playlist/4UBVy1LttvodwivPUuwJk2" path="/spotify/playlist/:id" :paramsDesc="['Playlist ID']" />
+
+### Personal Saved Tracks
+
+<RouteEn author="outloudvi" example="/spotify/saved/50" path="/spotify/saved/:limit?" :paramsDesc="['Track count, 50 by default']" />
+
+### Personal Top Tracks
+
+<RouteEn author="outloudvi" example="/spotify/top/tracks" path="/spotify/top/tracks" />
+
+### Personal Top Artists
+
+<RouteEn author="outloudvi" example="/spotify/top/artists" path="/spotify/top/artists" />
+
+
 ## Trakt.tv
 
 ### User Collection

docs/install/README.md

@@ -548,6 +548,16 @@ RSSHub 支持使用访问密钥 / 码，白名单和黑名单三种方式进行
         3.  点击 dynamic_new 请求，找到 Cookie
         4.  视频和专栏只要求 `SESSDATA` 字段，动态需复制整段 Cookie
 
+-   spotify 全部路由： [注册地址](https://developer.spotify.com)
+
+    -   `SPOTIFY_CLIENT_ID`：Spotify 应用的 client ID
+
+    -   `SPOTIFY_CLIENT_SECRET`：Spotify 应用的 client secret
+
+-   spotify 用户相关路由
+
+    -   `SPOTIFY_REFRESHTOKEN`：用户在此 Spotify 应用的 refresh token。可以利用 [此 gist](https://gist.github.com/outloudvi/d1bbeb5e989db5385384a223a7263744) 获取。
+
 -   语雀 全部路由：[注册地址](https://www.yuque.com/register)
 
     -   `YUQUE_TOKEN`: 语雀 Token，[获取地址](https://www.yuque.com/settings/tokens)。语雀接口做了访问频率限制，为保证正常访问建议配置 Token，详见 [语雀开发者文档](https://www.yuque.com/yuque/developer/api#5b3a1535)。

docs/multimedia.md

@@ -826,6 +826,28 @@ JavDB 有多个备用域名，本路由以 <https://javdb7.com> 为默认域名
 
 <Route author="fallenhh" example="/soundcloud/tracks/angeart" path="/soundcloud/tracks/:user" :paramsDesc="['用户名']" />
 
+## Spotify
+
+### 艺术家专辑
+
+<Route author="outloudvi" example="/spotify/artist/6k9TBCxyr4bXwZ8Y21Kwn1" path="/spotify/artist/:id" :paramsDesc="['艺术家 ID']" />
+
+### 播放列表
+
+<Route author="outloudvi" example="/spotify/playlist/4UBVy1LttvodwivPUuwJk2" path="/spotify/playlist/:id" :paramsDesc="['播放列表 ID']" />
+
+### 个人 Saved Tracks
+
+<Route author="outloudvi" example="/spotify/saved/50" path="/spotify/saved/:limit?" :paramsDesc="['歌曲数量，默认为 50']" />
+
+### 个人 Top Tracks
+
+<Route author="outloudvi" example="/spotify/top/tracks" path="/spotify/top/tracks" />
+
+### 个人 Top Artists
+
+<Route author="outloudvi" example="/spotify/top/artists" path="/spotify/top/artists" />
+
 ## Sub HD
 
 ### 字幕