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

[~bandali/configs] / lib / borg

diff --git a/lib/borg b/lib/borg
new file mode 160000 (submodule)
index 0000000..b03e8d1
--- /dev/null
+++ b/lib/borg
@@ -0,0 +1 @@
+Subproject commit b03e8d19874809e813c9631d29260bac73f51e01