chore: Updated distributed skills frontmatter schema (#2129)

Author: rkaraivanov

skills/igniteui-wc-choose-components/SKILL.md

@@ -1,7 +1,7 @@
 ---
 name: igniteui-wc-choose-components
 description: Identify and select the right Ignite UI Web Components for your app UI, then navigate to official docs, usage examples, and API references
-user-invokable: true
+user-invocable: true
 ---
 
 # Choose the Right Ignite UI Components

skills/igniteui-wc-customize-component-theme/SKILL.md

@@ -1,7 +1,7 @@
 ---
 name: igniteui-wc-customize-component-theme
 description: Customize Ignite UI Web Components styling using CSS custom properties, optional Sass, and the igniteui-theming MCP server for AI-assisted theming
-user-invokable: true
+user-invocable: true
 ---
 
 # Ignite UI Web Components — Theming Skill

skills/igniteui-wc-integrate-with-framework/SKILL.md

@@ -1,7 +1,7 @@
 ---
 name: igniteui-wc-integrate-with-framework
 description: Integrate igniteui-webcomponents into React, Angular, Vue, or vanilla JS applications with framework-specific configurations
-user-invokable: true
+user-invocable: true
 ---
 
 # Integrate with Framework

skills/igniteui-wc-optimize-bundle-size/SKILL.md

@@ -1,7 +1,7 @@
 ---
 name: igniteui-wc-optimize-bundle-size
 description: Optimize application bundle size by importing only necessary components and using tree-shaking effectively
-user-invokable: true
+user-invocable: true
 ---
 
 # Optimize Bundle Size