Add mosh

Mosh is a protocol that allows similar-to-ssh shelling, but with
reliability improvements when network connectivity is poor

Change-Id: Id1b26e0105e8771de2815ebd2f858b1a5a203fa1
Reviewed-on: https://git.clicks.codes/c/Infra/NixFiles/+/399
Tested-by: Skyler Grey <minion@clicks.codes>
Reviewed-by: Samuel Shuert <coded@clicks.codes>
diff --git a/modules/common/mosh.nix b/modules/common/mosh.nix
new file mode 100644
index 0000000..1c2e34e
--- /dev/null
+++ b/modules/common/mosh.nix
@@ -0,0 +1,3 @@
+{
+  programs.mosh.enable = true;
+}