fill out ruby config options

Author: devalog

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

@@ -19,19 +19,20 @@ groups:
 ## SDK Configuration Options
 
 <ParamField path="clientClassName" type="string" required={false} toc={true}>
+The name of the generated client class. This allows you to customize the class name that users will instantiate when using your SDK.
 </ParamField>
-
 <ParamField path="defaultTimeoutInSeconds" type="number | 'infinity'" required={false} toc={true}>
+The default timeout for network requests in seconds. In the generated client, this can be overridden at the request level. Set to 'infinity' to disable timeouts.
 </ParamField>
-
 <ParamField path="extraDependencies" type="ExtraDependenciesSchema" required={false} toc={true}>
+Specify additional dependencies to include in the generated SDK's gemspec. This is useful when you need to add custom gems that your SDK depends on.
 </ParamField>
-
 <ParamField path="extraDevDependencies" type="ExtraDependenciesSchema" required={false} toc={true}>
+Specify additional development dependencies to include in the generated SDK's gemspec. These are dependencies used for development and testing but not required by end users.
 </ParamField>
-
 <ParamField path="flattenModuleStructure" type="boolean" default="false" required={false} toc={true}>
+When enabled, flattens the module structure of the generated SDK. This creates a simpler namespace hierarchy by reducing nested modules.
 </ParamField>
-
 <ParamField path="useProvidedDefaults" type="boolean" required={false} toc={true}>
+When enabled, the SDK will use default values specified in your API definition. This allows you to leverage defaults defined in your Fern specification within the generated Ruby client.
 </ParamField>