Create Blog About My Experience in TBD Hacktoberfest (#1854)

* Added new image to external contributor

* Added new blog to external contributor

* deleted this image because it wasn't the correct size and the text was cutting

* Updated image with the correct size

* Updated image path

* Changed image

* Changed image path

site/src/externalContributors.json

@@ -1,4 +1,11 @@
 [
+  {
+    "type": "blog",
+    "thumbnail": "/img/external-contributor/TBD_nabhel.png",
+    "title": "My Hacktoberfest Experience Contributing to TBD",
+    "link": "https://dev.to/nabhel/my-hacktoberfest-experience-contributing-to-tbd-3i6f",
+    "contributor": "Nabhel"
+  },
   {
     "type": "blog",
     "thumbnail": "/img/external-contributor/kiranbaliga.png",
@@ -106,7 +113,7 @@
   },
   {
     "type": "blog",
-    "thumbnail": "/img/external-contributor/nabhel_web5.png",
+    "thumbnail": "/img/external-contributor/web5_nabhel_new.png",
     "title": "Understanding Web5: Your Guide to the Decentralized Web",
     "link": "https://dev.to/nabhel/understanding-web5-your-guide-to-the-decentralized-web-49m2",
     "contributor": "Nabhel"