docs: use absolute URLs for cross-repo platform doc links (#810)

Author: TC-MO

docs/01_introduction/index.mdx

@@ -12,11 +12,11 @@ import CodeBlock from '@theme/CodeBlock';
 import UsageAsyncExample from '!!raw-loader!./code/01_usage_async.py';
 import UsageSyncExample from '!!raw-loader!./code/01_usage_sync.py';
 
-The Apify API client for Python is the official library to access the [Apify REST API](/api/v2) from your Python applications. It provides useful features like automatic retries and convenience functions that improve the experience of using the Apify API.
+The Apify API client for Python is the official library to access the [Apify REST API](https://docs.apify.com/api/v2) from your Python applications. It provides useful features like automatic retries and convenience functions that improve the experience of using the Apify API.
 
 The client simplifies interaction with the Apify platform by providing:
 
-- Intuitive methods for working with [Actors](/platform/actors), [datasets](/platform/storage/dataset), [key-value stores](/platform/storage/key-value-store), and other Apify resources
+- Intuitive methods for working with [Actors](https://docs.apify.com/platform/actors), [Datasets](https://docs.apify.com/platform/storage/dataset), [Key-value stores](https://docs.apify.com/platform/storage/key-value-store), and other Apify resources
 - Both synchronous and asynchronous interfaces for flexible integration
 - Built-in [retries with exponential backoff](../02_concepts/05_retries.mdx) for failed requests
 - Comprehensive API coverage with JSON encoding (UTF-8) for all requests and responses

website/versioned_docs/version-2.5/01_introduction/index.mdx

@@ -13,11 +13,11 @@ import CodeBlock from '@theme/CodeBlock';
 import UsageAsyncExample from '!!raw-loader!./code/01_usage_async.py';
 import UsageSyncExample from '!!raw-loader!./code/01_usage_sync.py';
 
-The Apify API client for Python is the official library to access the [Apify REST API](/api/v2) from your Python applications. It provides useful features like automatic retries and convenience functions that improve the experience of using the Apify API.
+The Apify API client for Python is the official library to access the [Apify REST API](https://docs.apify.com/api/v2) from your Python applications. It provides useful features like automatic retries and convenience functions that improve the experience of using the Apify API.
 
 The client simplifies interaction with the Apify platform by providing:
 
-- Intuitive methods for working with [Actors](/platform/actors), [datasets](/platform/storage/dataset), [key-value stores](/platform/storage/key-value-store), and other Apify resources
+- Intuitive methods for working with [Actors](https://docs.apify.com/platform/actors), [Datasets](https://docs.apify.com/platform/storage/dataset), [Key-value stores](https://docs.apify.com/platform/storage/key-value-store), and other Apify resources
 - Both synchronous and asynchronous interfaces for flexible integration
 - Built-in [retries with exponential backoff](../02_concepts/05_retries.mdx) for failed requests
 - Comprehensive API coverage with JSON encoding (UTF-8) for all requests and responses