fixes metadata for blog

static/blog-seo/config.json

@@ -657,8 +657,8 @@
             "<meta property=\"og:image\" content=\"https://supertokens.com/blog-meta-images/how-to-create-an-invite-only-auth-flow.png\" />",
             "",
             "<meta name=\"twitter:card\" content=\"summary_large_image\" />",
-            "<meta name=\"twitter:title\" content=\"How we cut our AWS costs by more than 50%\" />",
-            "<meta name=\"twitter:description\" content=\"In this two part blog series we will break down how we were able to cut down our AWS costs by over 50%\" />",
+            "<meta name=\"twitter:title\" content=\"How to create an invite-only auth flow in 2023\" />",
+            "<meta name=\"twitter:description\" content=\"Whether aiming to boost referrals, drive exclusivity, or simply enhance user engagement, a well-crafted invite flow can make all the difference. In this blog post, we will delve into the steps of how you can secure your React app with Email-password authentication with SuperTokens, customized to have an invite-only flow.\" />",
             "<meta name=\"twitter:url\" content=\"https://supertokens.com/blog/static/covers/how-to-create-an-invite-only-auth-flow.png\" />",
             "<meta name=\"twitter:image\" content=\"https://supertokens.com/blog-meta-images/static/covers/how-to-create-an-invite-only-auth-flow.png.png\" /> ",
             "<!--OG Tags-->"