Add rules for include-what-you-use

Never wonder if you have all the right headers again!

Signed-off-by: Stephan Pleines <pleines.stephan@gmail.com>
Change-Id: I0cfc3f720f343a285d0ad59e90ec357f92547806
diff --git a/WORKSPACE b/WORKSPACE
index 371829f..aac52f4 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -1718,3 +1718,16 @@
     strip_prefix = "expected-1.1.0",
     url = "https://github.com/TartanLlama/expected/archive/refs/tags/v1.1.0.tar.gz",
 )
+
+http_archive(
+    name = "com_github_storypku_bazel_iwyu",
+    integrity = "sha256-R/rVwWn3SveoC8lAcicw6MOfdTqLLkubpaljT4qHjJg=",
+    strip_prefix = "bazel_iwyu-bb102395e553215abd66603bcdeb6e93c66ca6d7",
+    urls = [
+        "https://github.com/storypku/bazel_iwyu/archive/bb102395e553215abd66603bcdeb6e93c66ca6d7.zip",
+    ],
+)
+
+load("@com_github_storypku_bazel_iwyu//bazel:dependencies.bzl", "bazel_iwyu_dependencies")
+
+bazel_iwyu_dependencies()