Made -p cli argument create only that folder and not the default one

Moved default download folder inside music
Check XDG first, then fallback to untranslated 'Music' folder
This fixes #82

deemix/utils/localpaths.py

@@ -1,21 +1,38 @@
 from pathlib import Path
 import sys
-from os import getenv
+import os
 
-userdata = ""
 homedata = Path.home()
+userdata = ""
+musicdata = ""
 
-if getenv("APPDATA"):
-    userdata = Path(getenv("APPDATA")) / "deemix"
+
+if os.getenv("XDG_CONFIG_HOME"):
+    userdata = Path(os.getenv("XDG_CONFIG_HOME")) / 'deemix'
+elif os.getenv("APPDATA"):
+    userdata = Path(os.getenv("APPDATA")) / "deemix"
 elif sys.platform.startswith('darwin'):
     userdata = homedata / 'Library' / 'Application Support' / 'deemix'
-elif getenv("XDG_CONFIG_HOME"):
-    userdata = Path(getenv("XDG_CONFIG_HOME")) / 'deemix'
 else:
     userdata = homedata / '.config' / 'deemix'
 
+if os.getenv("XDG_MUSIC_DIR"):
+    musicdata = Path(os.getenv("XDG_MUSIC_DIR")) / "deemix Music"
+elif os.name == 'nt':
+    import winreg
+    sub_key = r'SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders'
+    music_guid = '{4BD8D571-6D19-48D3-BE97-422220080E43}'
+    with winreg.OpenKey(winreg.HKEY_CURRENT_USER, sub_key) as key:
+        location = winreg.QueryValueEx(key, music_guid)[0]
+    musicdata = Path(location) / "deemix Music"
+else:
+    musicdata = homedata / "Music" / "deemix Music"
+
 def getHomeFolder():
     return homedata
 
 def getConfigFolder():
     return userdata
+
+def getMusicFolder():
+    return musicdata