Change docs links to actual file extension (.md)

See https://gerrit-review.googlesource.com/83950 for detailed context.

Change-Id: Id9dfcd79704d1315d646b800c82c3b5818416836
2 files changed
tree: 0d39abf7eae8f0675f5df65cf9a2a9c9d5eb9428
  1. .settings/
  2. lib/
  3. src/
  4. .buckconfig
  5. .gitignore
  6. BUCK
  7. LICENSE
  8. VERSION