feat(seo): add twitter card meta tags

Author: jd-solanki

content/.vitepress/config.mts

@@ -42,6 +42,9 @@ export default defineConfig({
     ['meta', { property: 'og:title', content: 'Vue Cheatsheet' }],
     ['meta', { property: 'og:description', content: 'The only Vue cheatsheet you will ever need' }],
     ['meta', { property: 'og:image', content: 'https://ts-assets.b-cdn.net/ts-assets/vue-cheatsheet/github-banner-smm.png' }],
+    ['meta', { property: 'twitter:card', content: 'summary_large_image' }],
+    ['meta', { property: 'twitter:site', content: '@Theme_Selection' }],
+    ['meta', { property: 'twitter:creator', content: '@Theme_Selection' }],
   ],
   themeConfig: {
     logo: '/vue-cheatsheet-logo.png',