hswaw/site: add checkinator integration

Change-Id: I19a72da67410332d6d82d49e3a54f1dc0f81ff65
diff --git a/hswaw/site/BUILD.bazel b/hswaw/site/BUILD.bazel
index 21edded..a34f5b4 100644
--- a/hswaw/site/BUILD.bazel
+++ b/hswaw/site/BUILD.bazel
@@ -4,6 +4,7 @@
 go_library(
     name = "go_default_library",
     srcs = [
+        "at.go",
         "feeds.go",
         "main.go",
         "views.go",