Spotify Work + Error Language = EN - US

docs/Spotify/README.md

@@ -1,5 +1,88 @@
 # Spotify
 
+## Main
+### spotify(url : `string`)
+*This returns data from a track | playlist | album url.*
+
+```js
+let data = await spotify(url) //Gets the data
+
+console.log(data.type) // Console logs the type of data that you got.
+```
+
+### Authorization()
+*This creates basic spotify data to be stored locally.*
+
+```js
+Authorization() //After then you will be asked client-id, client-secret, redirect url, market, redirected URL.
+```
+
+### is_expired()
+*This tells that whether the access token is expired or not*
+
+**Returns :** `boolean`
+
+```js
+if(is_expired()){
+    await RefreshToken()
+}
+```
+
+### RefreshToken()
+*This refreshes the access token.*
+
+**Returns :** `boolean` for telling whether access token is refreshed or not
+
+```js
+await RefreshToken()
+```
+
+## Classes [ Returned by spotify() function ]
+### SpotifyVideo
+*Don't go by the name. This is class for a spotify track.*
+
+#### type `property`
+*This will always return as "track" for this class.*
+
+#### toJSON() `function`
+*converts class into a json format*
+
+### SpotifyPlaylist
+*This is a spotify playlist class.*
+
+#### fetch() `function`
+*This will fetch tracks in a playlist upto 1000 tracks only.*
+
+```js
+let data = await spotify(playlist_url)
+
+await data.fetch() // Fetches tracks more than 100 tracks in playlist
+```
+
+#### type `property`
+*This will always return as "playlist" for this class.*
+
+#### toJSON() `function`
+*converts class into a json format*
+
+### SpotifyAlbum
+*This is a spotify albun class.*
+
+#### fetch() `function`
+*This will fetch tracks in a album upto 500 tracks only.*
+
+```js
+let data = await spotify(playlist_url)
+
+await data.fetch() // Fetches tracks more than 50 tracks in album
+```
+
+#### type `property`
+*This will always return as "album" for this class.*
+
+#### toJSON() `function`
+*converts class into a json format*
+
 ## Validate
 ### sp_validate(url : `string`)
 *This checks that given url is spotify url or not.*
@@ -11,14 +94,4 @@ let check = sp_validate(url)
 if(!check) // Invalid Spotify URL
 
 if(check === 'track') // Spotify Track URL
-```
-
-## Main
-### spotify(url : `string`)
-*This returns data from a track | playlist | album url.*
-
-```js
-let data = spotify(url) //Gets the data
-
-console.log(data.type) // Console logs the type of data that you got.
 ```