Add Windows compatibility

Author: marioba

setup.py

@@ -31,5 +31,9 @@
     package_dir={"": "src"},
     packages=setuptools.find_packages(where="src"),
     python_requires=">=3.6",
-    scripts=["src/bin/qfieldcloud-cli"],
+    entry_points={
+        "console_scripts": [
+            "qfieldcloud-cli = bin.qfieldcloud_cli:cli"
+        ]
+    },
 )

src/bin/__init__.py

@@ -2,6 +2,7 @@
 
 import collections
 import json
+import platform
 from enum import Enum
 import sys
 
@@ -134,7 +135,10 @@ def login(ctx, username, password) -> None:
             "Put the token in your in the environment using the following code, "
             "so you do not need to write your username and password again:"
         )
-        log(f'export QFIELDCLOUD_TOKEN="{user_data["token"]}"')
+        if platform.system() == 'Windows':
+            log(f'set QFIELDCLOUD_TOKEN={user_data["token"]}')
+        else:
+            log(f'export QFIELDCLOUD_TOKEN="{user_data["token"]}"')
 
 
 @cli.command()