Add some tutorial articles

Documentation can build built into html for example using
`bazel build //documentation/...`

To build a specific file run `bazel build
//documentation/tutorials:make-a-drivebase-move`

Change-Id: Ie8c09cfeb60593e18349c8889f0c19e2c6a178e2
diff --git a/documentation/BUILD b/documentation/BUILD
new file mode 100644
index 0000000..569ce64
--- /dev/null
+++ b/documentation/BUILD
@@ -0,0 +1,6 @@
+load("//tools/build_rules:pandoc.bzl", "pandoc_html")
+
+pandoc_html(
+    name = "index",
+    src = "README.md",
+)