converted to python package

ucloud_cli/config.py

@@ -0,0 +1,9 @@
+import sys
+from os.path import expanduser
+from decouple import Config, RepositoryEnv
+
+try:
+    env_vars = Config(RepositoryEnv(expanduser("~/.ucloud.conf")))
+except Exception as err:
+    print(err)
+    sys.exit(1)