Have HBR refer to canonical HBR repository.
-rw-r--r-- 7048 CC0
-rw-r--r-- 1534 CONTRIBUTING.md
-rw-r--r-- 706 DISCLAIMER
drwxr-xr-x - Drafts
-rw-r--r-- 1419 README.md
drwxr-xr-x - Releases
-rw-r--r-- 694 THANKS
-rw-r--r-- 0 foo