refactor: transition from MCP to REST API for portfolio data

- Removed MCP server integration and related components from index.vue and contact.json.
- Updated project documentation to reflect the new ArtAPI server, including changes to project metadata and descriptions.
- Eliminated MCP toolkit dependencies from nuxt.config.ts and package.json.
- Introduced new REST API endpoints for chat prompts, replacing previous MCP prompts.
- Deleted obsolete MCP resources and prompts, streamlining the codebase for a more focused API approach.

nuxt.config.ts

@@ -5,7 +5,6 @@ export default defineNuxtConfig({
     '@nuxt/eslint',
     '@nuxt/ui',
     '@nuxt/content',
-    '@nuxtjs/mcp-toolkit',
     'nuxt-studio'
   ],
 
@@ -68,12 +67,6 @@ export default defineNuxtConfig({
     }
   },
 
-  mcp: {
-    name: 'ArtMCP',
-    version: '1.0.0',
-    browserRedirect: '/docs'
-  },
-
   studio: {
     route: '/studio',
     repository: {