include packages as submodules

[dotemacs] / packages / yasnippet

diff --git a/packages/yasnippet b/packages/yasnippet
new file mode 160000 (submodule)
index 0000000..9500b00
--- /dev/null
+++ b/packages/yasnippet
@@ -0,0 +1 @@
+Subproject commit 9500b000fde22cdb59ad178ae7c4920e866ba329