Added 'Python' as a possible code block type (#195)

Author: JoelPhys

src/sphinx_codeautolink/extension/block.py

@@ -21,6 +21,7 @@
 BUILTIN_BLOCKS = {
     "default": None,
     "python": None,
+    "Python": None,
     "python3": None,
     "py": None,
     "py3": None,

tests/extension/ref/lexer_Python.txt

@@ -0,0 +1,13 @@
+test_project
+test_project.bar
+# split
+# split
+Test project
+============
+
+.. code-block:: Python
+
+   import test_project
+   test_project.bar()
+
+.. automodule:: test_project