fix(article): handle gist fetch errors gracefully

Added try-except block around gist fetch to handle potential
errors more gracefully by printing error messages instead of
failing silently. This improves debugging and user experience
when fetching GitHub gists in articles.

src/small/views/article.py

@@ -23,14 +23,16 @@ def article(article_url):
         for paragraph in page.content:
             for child in paragraph.children:
                 if child.__class__.__name__ == "GithubGist":
-                    gist_id = child.id
-                    gist = GithubClient.get_gist(gist_id)
-                    child.content = gist
+                    try:
+                        gist = GithubClient.get_gist(child.id)
+                        child.content = gist
+                    except Exception as e:
+                        print(f"Error fetching gist: {str(e)}")
 
         return render_template("article.html", page=page)
     except Exception as e:
         if isinstance(e, NotFound):
             raise
-        
+
         print(f"Error fetching article: {str(e)}")
         abort(500)