feat(klatre): add dottime-format function

Add a function to klatre format a timestamp using dottime

Change-Id: I24d8d91f49f352b606f44834f7229ab55b55afa0
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1344
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>
Reviewed-by: kanepyork <rikingcoding@gmail.com>

lisp/klatre/default.nix

@@ -3,6 +3,10 @@
 depot.nix.buildLisp.library {
   name = "klatre";
 
+  deps = with depot.third_party.lisp; [
+    local-time
+  ];
+
   srcs = [
     ./package.lisp
     ./klatre.lisp