add .bazelignore

example/WORKSPACE

diff --git a/example/WORKSPACE b/example/WORKSPACE
index ac543a5..01be120 100644
--- a/example/WORKSPACE
+++ b/example/WORKSPACE
@@ -20,5 +20,6 @@
 
 load("@rules_python_external//:defs.bzl", "pip_install")
 pip_install(
+    # Uses the default repository name "pip"
     requirements = "//:requirements.txt",
 )