docs: Add reference to cc rules

Author: avdv

docs/BUILD.bazel

@@ -62,6 +62,8 @@ bzl_library(
             deps = [
                 ":haskell_nix",
                 "//haskell",
+                "@rules_cc//cc:find_cc_toolchain_bzl",
+                "@rules_cc//cc/common",
                 "@rules_shell//shell:rules_bzl",
             ],
         ),
@@ -79,6 +81,8 @@ bzl_library(
             deps = [
                 ":haskell_nix",
                 "//haskell",
+                "@rules_cc//cc:find_cc_toolchain_bzl",
+                "@rules_cc//cc/common",
                 "@rules_shell//shell:rules_bzl",
             ],
         ),