Migrate files to resource or references folder. (#19503)

docs/get-started/authentication.md

@@ -22,8 +22,8 @@ Select the authentication method that matches your situation in the table below:
 ### What is my Google account type?
 
 - **Individual Google accounts:** Includes all
-  [free tier accounts](../quota-and-pricing/#free-usage) such as Gemini Code
-  Assist for individuals, as well as paid subscriptions for
+  [free tier accounts](../resources/quota-and-pricing.md#free-usage) such as
+  Gemini Code Assist for individuals, as well as paid subscriptions for
   [Google AI Pro and Ultra](https://gemini.google/subscriptions/).
 
 - **Organization accounts:** Accounts using paid licenses through an
@@ -317,5 +317,5 @@ configure authentication using environment variables:
 Your authentication method affects your quotas, pricing, Terms of Service, and
 privacy notices. Review the following pages to learn more:
 
-- [Gemini CLI: Quotas and Pricing](../quota-and-pricing.md).
-- [Gemini CLI: Terms of Service and Privacy Notice](../tos-privacy.md).
+- [Gemini CLI: Quotas and Pricing](../resources/quota-and-pricing.md).
+- [Gemini CLI: Terms of Service and Privacy Notice](../resources/tos-privacy.md).

docs/get-started/index.md

@@ -54,7 +54,7 @@ Gemini CLI offers several ways to configure its behavior, including environment
 variables, command-line arguments, and settings files.
 
 To explore your configuration options, see
-[Gemini CLI Configuration](./configuration.md).
+[Gemini CLI Configuration](../reference/configuration.md).
 
 ## Use