Fix link

Author: jesse-wei

scripts/diff.py

@@ -37,7 +37,7 @@
     "<p>Note that if a file in the theme submodule is updated, then the diff will also be updated when this page is regenerated.</p>\n",
     "<p>This page is generated by scripts/diff.py, which is wrapped by scripts/build.</p>\n"
     '<p>Both scripts are <a href="https://github.com/jesse-wei/jessewei.dev-PaperMod/tree/main/scripts">here</a>.</p>\n',
-    '<p>Setup is further described <a href="http://127.0.0.1:4000/blog/2023/papermod/#ci">here</a>.</p>\n',
+    '<p>Setup is further described <a href="https://jessewei.dev/blog/2023/papermod/#ci">here</a>.</p>\n',
 ]
 """HTML text to be appended (right before </main>) to the generated root index.html file."""