Add rustc-guide as a submodule

mark-i-m · mark-i-m · commit a1865edb7528 · 2018-11-26T14:55:53.000-06:00
diff --git a/.gitmodules b/.gitmodules
@@ -62,3 +62,6 @@
 	url = https://github.com/rust-lang-nursery/clang.git
 	branch = rust-release-80-v1
 
+[submodule "src/doc/rustc-guide"]
+	path = src/doc/rustc-guide
+	url = https://github.com/rust-lang/rustc-guide.git
diff --git a/src/doc/rustc-guide b/src/doc/rustc-guide
@@ -0,0 +1 @@
+Subproject commit 3a804956e3c28d7e44e38804207a00013594e1d3
