added backup function

.gitignore

@@ -1,2 +1,3 @@
 env
 __pycache__
+*.csv

backup.py

@@ -0,0 +1,12 @@
+import spotframework.net.user as userclass
+import spotframework.net.playlist as playlist
+import spotframework.io.csv as csvwrite
+
+if __name__ == '__main__':
+
+    user = userclass.User()
+
+    playlists = playlist.getPlaylists(user)
+
+    for play in playlists:
+        csvwrite.exportPlaylist(user, play['id'], play['name'])