fix(docs): fix broken links

Author: Ansonhkg

docs/sdk/introduction.mdx

@@ -17,14 +17,14 @@ The Lit JS SDK provides a comprehensive toolkit for integrating Lit Protocol's d
 
 - **[Lit Client Setup](/sdk/getting-started/lit-client)**: Configure the Lit Protocol client
 - **[Auth Manager Setup](/sdk/getting-started/auth-manager)**: Set up authentication management with configurable storage options
-- **[Payment Manager Setup](/sdk/getting-started/payment-setup)**: Configure payment processing capabilities
+- **[Payment Manager Setup](/sdk/getting-started/payment-manager-setup)**: Configure payment processing capabilities
 - **[Auth Services Setup](/sdk/getting-started/auth-services)**: Configure auth services
 
 ### 2. Authentication Options
 
 - **[PKP Native Authentication](/sdk/auth/pkp-native-auth)**: Programmable Key Pair native authentication options
 - **[PKP Custom Authentication](/sdk/auth/pkp-custom-auth)**: Custom PKP authentication implementations
-- **[EOA Authentication](/sdk/auth/eoa-auth)**: Externally Owned Account authentication
+- **[EOA Authentication](/sdk/auth/eoa/eoa-auth)**: Externally Owned Account authentication
 
 ### 3. Auth Context Consumption / Core API Methods