Update package_name and client options in Python Configuration doc (#275)

Author: devalog

fern/products/sdks/overview/python/configuration.mdx

@@ -5,14 +5,15 @@ description: Configuration options for the Fern Python SDK.
 
 You can customize the behavior of the Python SDK generator in `generators.yml`:
 
-```yaml {7-9}
+```yaml {7-10}
 default-group: local
 groups:
   local:
     generators:
       - name: fernapi/fern-python
         version: 0.7.1
         config:
+          package_name: "your_package"
           client:
             class_name: "YourClient" 
 ```
@@ -22,9 +23,6 @@ groups:
 <ParamField path="additional_init_exports" type="array" default="null" required={false} toc={true}>
 </ParamField>
 
-<ParamField path="client" type="ClientConfiguration" default="ClientConfiguration()" required={false} toc={true}>
-</ParamField>
-
 <ParamField path="default_bytes_stream_chunk_size" type="number" default="null" required={false} toc={true}>
   The chunk size to use (if any) when processing a response bytes stream within `iter_bytes` or `aiter_bytes` results in: `for chunk in response.iter_bytes(chunk_size=<default_bytes_stream_chunk_size>):`
 </ParamField>
@@ -34,7 +32,7 @@ groups:
 
 <ParamField path="extra_dependencies" type="object" default="{}" required={false} toc={true}>
   If you want to add custom dependencies to your generated SDK, you can specify them using this configuration. For example, to add a dependency on boto3, your config would look like:
-  ```
+  ```yaml
   config:
     extra_dependencies:
       boto3: 1.28.15
@@ -74,6 +72,23 @@ groups:
 </ParamField>
 
 <ParamField path="package_name" type="string" default="null" required={false} toc={true}>
+
+Specifies the Python package name that users will import your generated client
+from.
+  
+For example, setting `package_name: "my_custom_package"` enables users to use
+`my_custom_package import Client` to import your client:
+
+```yaml {7-10}
+default-group: local
+groups:
+  local:
+    generators:
+      - name: fernapi/fern-python
+        version: 0.7.1
+        config:
+          package_name: "my_custom_package"
+```
 </ParamField>
 
 <ParamField path="pydantic_config" type="SdkPydanticModelCustomConfig" default="SdkPydanticModelCustomConfig()" required={false} toc={true}>
@@ -151,4 +166,32 @@ groups:
 
 <ParamField path="use_typeddict_requests_for_file_upload" type="bool" default="false" required={false} toc={true}>
   Whether or not to generate TypedDicts instead of Pydantic Models for file upload request objects. Note that this flag was only introduced due to an oversight in the `use_typeddict_requests` flag implementation; it should be removed in the future.
+</ParamField>
+
+### client
+  Configuration for the generated client class and file structure.
+
+  ```yaml
+  config:
+    client:
+      filename: "my_client.py"
+      class_name: "MyClient"
+      exported_filename: "my_client.py"
+      exported_class_name: "MyClient"
+  ```
+
+<ParamField path="filename" type="string" default="client.py" required={false} toc={true}>
+  The filename for the generated client file.
+</ParamField>
+
+<ParamField path="class_name" type="string" default="null" required={false} toc={true}>
+  The name of the generated client class.
+</ParamField>
+
+<ParamField path="exported_filename" type="string" default="client.py" required={false} toc={true}>
+  The filename of the exported client which will be used in code snippets.
+</ParamField>
+
+<ParamField path="exported_class_name" type="string" default="null" required={false} toc={true}>
+  The name of the exported client class that will be used in code snippets.
 </ParamField>