Revert "Don't generate docs source on setup"

This reverts commit 294aeca

setup.py

@@ -23,12 +23,12 @@ from setuptools import setup
 
 from compiler.api import compiler as api_compiler
 from compiler.error import compiler as error_compiler
-# from compiler.docs import compiler as docs_compiler
+from compiler.docs import compiler as docs_compiler
 
 if len(argv) > 1 and argv[1] != "sdist":
     api_compiler.start()
     error_compiler.start()
-    # docs_compiler.start()
+    docs_compiler.start()
 
 # PyPI doesn't like raw html
 with open("README.rst", encoding="UTF-8") as f: