docs(example.py): add links to documentation

.devcontainer/example.py

@@ -1,3 +1,9 @@
+# NOTE:
+# For more examples and advanced usage of `sec-parser`, refer to the following resources:
+# - [User Guide](https://sec-parser.readthedocs.io/en/latest/notebooks/user_guide.html)
+# - [Developer Guide](https://sec-parser.readthedocs.io/en/latest/notebooks/developer_guide.html)
+# - [Documentation](https://sec-parser.rtfd.io)
+
 from sec_downloader import Downloader
 
 import sec_parser as sp

README.md

@@ -143,7 +143,7 @@ The company name and email address are used to form a user-agent string that adh
 
 Now, we can parse the filing HTML into a list of semantic elements:
 
-```python
+```python``
 # Utility function to make the example code a bit more compact
 def print_first_n_lines(text: str, *, n: int):
     print("\n".join(text.split("\n")[:n]), "...", sep="\n")