Добавлено 2 эндпоинта на скип текущего и возврат прошлого сонга

src/oxidespotify/api.py

@@ -128,11 +128,27 @@ class SpotifyAPIClient(OxideHTTP):
     async def pause_playback(self) -> NoReturn:
         raise NotImplementedError
 
-    async def skip_to_next(self) -> NoReturn:
-        raise NotImplementedError
+    async def skip_to_next(self, access_token: str, device_id: str) -> None:
+        req = self.post(
+            '/me/player/next',
+            params={'device_id': device_id},
+            headers=self._auth(access_token),
+        )
 
-    async def skip_to_previous(self) -> NoReturn:
-        raise NotImplementedError
+        req = await self._process_request(req)
+        return await self._process(req, None)
+
+    async def skip_to_previous(
+        self, access_token: str, device_id: str
+    ) -> None:
+        req = self.post(
+            '/me/player/previous',
+            params={'device_id': device_id},
+            headers=self._auth(access_token),
+        )
+
+        req = await self._process_request(req)
+        return await self._process(req, None)
 
     async def seek_to_position(self) -> NoReturn:
         raise NotImplementedError