Change docs links to actual file extension (.md)

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

Change-Id: I80bfb14b6612de133105adda707b6388d54920bf
1 file changed
tree: 713d11ee3d98f0a4b50165b2be1eca17d0a82213
  1. lib/
  2. src/
  3. tools/
  4. .buckconfig
  5. .gitignore
  6. BUCK
  7. LICENSE
  8. pom.xml