include packages as submodules

[dotemacs] / packages / js2-mode

diff --git a/packages/js2-mode b/packages/js2-mode
new file mode 160000 (submodule)
index 0000000..1f12517
--- /dev/null
+++ b/packages/js2-mode
@@ -0,0 +1 @@
+Subproject commit 1f1251713830a2c3300e1b007ca6a5ca56d94e01