docs: Replacing Docusaurus social card with a new one (#13)

* docs: add new social card

* docs: rename IMG_0593.jpeg to refract-social-card.jpeg

* docs: replace old social card with a new one

Author: CBID2

docusaurus.config.js

@@ -75,7 +75,7 @@ const config = {
   themeConfig:
     /** @type {import('@docusaurus/preset-classic').ThemeConfig} */
     ({
-      image: 'img/docusaurus-social-card.jpg',
+      image: 'img/refract-social-card.jpeg',
       navbar: {
         title: 'Refract',
         logo: {