Update Automotive-specific documentation (#3167)

* Update Automotive-specific documentation. Fixes #3141

* apply feedback

* add myself to Credits

Author: polybassa

doc/scapy/backmatter.rst

@@ -8,3 +8,4 @@ Credits
 - Fred Raynal wrote the chapter on building and dissecting packets.
 - Peter Kacherginsky contributed several tutorial sections, one-liners and recipes.
 - Dirk Loss integrated and restructured the existing docs to make this book.
+- Nils Weiss contributed automotive specific layers and utilities.

doc/scapy/conf.py

@@ -97,6 +97,9 @@
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = False
 
+# Enable codeauthor and sectionauthor directives
+show_authors = True
+
 
 # -- Options for HTML output ----------------------------------------------