fix: url for widget in overview docs (#88)

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Author: rushilpatel0

docs/introduction/overview.mdx

@@ -33,7 +33,7 @@ function.set_docstring('new docstring') # set docstring
   width="100%"
   height="300px"
   scrolling="no"
-  src={`http://localhost:3000/embedded/codemod/?code=${encodeURIComponent(
+  src={`https://chadcode.sh/embedded/codemod/?code=${encodeURIComponent(
     intoSnippet
   )}`}
   className="rounded-md ring-1 ring-gray-800/50 dark:ring-gray-800/50"