Fix meta information for social card previews (#1760)

## Description

This was being manuarlly overridden and was bad for SEO

## Type of change

- [x] 🐛 Bugfix
- [x] 🗺️ Documentation

website/blog/2022-11-16-corso-announcement-free-backup-for-microsoft-365.md

@@ -1,6 +1,7 @@
 ---
 slug: corso-announcement-free-backup-for-microsoft-365
 title: "A Home to Call Your Own: The Need for Your Own Backups in IT"
+description: "Announcing Corso, a free, open-source, and secure backup tool for Microsoft 365."
 authors: nica
 tags: [corso, microsoft 365]
 image: ./images/office_desk.jpg

website/blog/2022-12-09-m365-sandbox-setup.md

@@ -1,6 +1,7 @@
 ---
 slug: m365-sandbox-setup
 title: "Setting up your own Microsoft 365 sandbox"
+description: "Getting started with a Microsoft 365 sandbox in under 10 minutes for development and testing purposes"
 authors: nica
 tags: [corso, microsoft 365]
 date: 2022-12-09

website/blog/2022-12-2-your-own-backups.md

@@ -1,6 +1,7 @@
 ---
 slug: your-own-backups
 title: "Owning Your Identity and Data For The Price of One ☕️/Month "
+description: "How to, for the price of a cup of coffee/month, control your identity by owning your domain, email, and portable data backups"
 authors: nica
 tags: [corso, microsoft 365]
 date: 2022-12-05

website/docusaurus.config.js

@@ -168,8 +168,6 @@ const config = {
       metadata : [
         {name: 'twitter:card', content: 'summary_large_image'},
         {name: 'twitter:site', content: '@corsobackup'},
-        {name: 'twitter:title', content: 'Corso: Free, Secure, and Open-Source Backup for Microsoft 365'},
-        {name: 'twitter:description', content: 'Corso is an open-source tool that protects Microsoft 365 data by securely and efficiently backing up all business-critical data to object storage.'},
       ],
 
       prism: {