feat: added tutorial on blobs/eip-4844

Author: PatrickAlphaC

src/data/externalTutorials.json

@@ -1,4 +1,19 @@
 [
+  {
+    "url": "https://www.youtube.com/watch?v=LmQTRGqUL9s",
+    "title": "What is EIP-4844? | Blobs & Proto-danksharding",
+    "description": "What is EIP-4844? What are blob-carrying transactions?",
+    "author": "Patrick Collins",
+    "authorGithub": "https://github.com/PatrickAlphaC",
+    "tags": [
+      "rollups",
+      "blobs"
+    ],
+    "skillLevel": "intermediate",
+    "timeToRead": "600",
+    "lang": "en",
+    "publishDate": "5/29/2024"
+  },
   {
     "url": "https://updraft.cyfrin.io/courses/security",
     "title": "Learn Smart Contract Auditing, Security, and DeFi",