devtools/hackdoc: init

This is hackdoc, a documentation rendering tool for monorepos.

This is the first code iteration, that can only serve from a local git
checkout.

The code is incomplete, and is WIP.

Change-Id: I68ef7a991191c1bb1b0fdd2a8d8353aba642e28f
diff --git a/WORKSPACE b/WORKSPACE
index 65278ba..d4d45b1 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -191,8 +191,11 @@
 
 # Invoke go_rules_dependencies depending on host platform.
 load("//tools:go_sdk.bzl", "gen_imports")
+
 gen_imports(name = "go_sdk_imports")
+
 load("@go_sdk_imports//:imports.bzl", "load_go_sdk")
+
 load_go_sdk()
 
 # Go Gazelle rules
@@ -1948,3 +1951,15 @@
     commit = "d07dcb9293789fdc99c797d3499a5799bc343b86",
     importpath = "gopkg.in/irc.v3",
 )
+
+go_repository(
+    name = "in_gopkg_russross_blackfriday_v2",
+    commit = "d3b5b032dc8e8927d31a5071b56e14c89f045135",
+    importpath = "gopkg.in/russross/blackfriday.v2",
+)
+
+go_repository(
+    name = "com_github_shurcool_sanitized_anchor_name",
+    commit = "7bfe4c7ecddb3666a94b053b422cdd8f5aaa3615",
+    importpath = "github.com/shurcooL/sanitized_anchor_name",
+)