adding index.md files for powershell sdk docs

docs/tools/sdk/powershell/Reference/Beta/Methods/index.md

@@ -0,0 +1,30 @@
+---
+id: methods
+title: Methods
+pagination_label: Methods
+sidebar_label: Methods
+sidebar_position: 3
+sidebar_class_name: methods
+keywords: ['powershell', 'PowerShell', 'sdk', 'methods'] 
+slug: /tools/sdk/powershell/beta/methods
+tags: ['SDK', 'Software Development Kit', 'beta', 'methods']
+---
+
+Method docs provide detailed information about each API operation (or method). They describe what the method does, its input parameters, expected return values, and any considerations to keep in mind when using it.
+
+## Key Features
+- Purpose & Overview: Explains the purpose of the method and its role in the API.
+- Parameters: Describes the required input parameters, including their data types.
+- Response Format: Details the expected return format or structure.
+- Error Scenarios: Outlines potential errors or issues that may arise during method execution.
+- Example: Provides a sample of how the method is used in the API.
+
+## Available Methods
+Below you'll find a list of the core methods available in the PowerShell SDK for **beta** endpoints:
+
+```mdx-code-block
+import DocCardList from '@theme/DocCardList';
+import {useCurrentSidebarCategory} from '@docusaurus/theme-common';
+
+<DocCardList items={useCurrentSidebarCategory().items}/>
+```