[emacs] add Borg's layer/essentials current submodules

[~bandali/configs] / lib / dash

diff --git a/lib/dash b/lib/dash
new file mode 160000 (submodule)
index 0000000..a74f4cf
--- /dev/null
+++ b/lib/dash
@@ -0,0 +1 @@
+Subproject commit a74f4cfcdc8d0642a9f602ad494f0354f27dacc9