Update setup.py for dify-api-python package

- Set package version to 0.1.1
- Add author information and project URL
- Specify package structure and dependencies
- Include classifiers for Python versions and development status
- Set minimum Python version requirement to 3.7

setup.py

@@ -2,7 +2,7 @@
 
 setup(
     name="dify-api-python",
-    version="0.1.0",
+    version="0.1.1",
     author="zlz3907",
     author_email="zlz3907@gmail.com",
     description="A Python client for the Dify API",