fix: add python-dotenv to requirements in Python client Quickstart (#48)

Oreoxmt · Mini256 · web-flow · commit 6320a7976497 · 2024-07-11T16:26:03.000+08:00
```
Traceback (most recent call last):
  File "python-client-quickstart/example.py", line 4, in &lt;module&gt;
    from dotenv import load_dotenv
ModuleNotFoundError: No module named 'dotenv'
```

---------

Co-authored-by: Mini256 &lt;minianter@foxmail.com&gt;
diff --git a/examples/python-client-quickstart/requirements.txt b/examples/python-client-quickstart/requirements.txt
@@ -1,3 +1,5 @@
+mysqlclient==2.2.4
+python-dotenv==1.0.0
 PyMySQL==1.1.0
 sentence-transformers==3.0.1
 SQLAlchemy==2.0.30

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+mysqlclient==2.2.4`
	`2`	`+python-dotenv==1.0.0`
`1`	`3`	`PyMySQL==1.1.0`
`2`	`4`	`sentence-transformers==3.0.1`
`3`	`5`	`SQLAlchemy==2.0.30`