flake update,zed config update, git and jj tweaks

programs/jujutsu/default.nix

@@ -0,0 +1,44 @@
+{ ... }:
+let
+  MyAliases = {
+    l = [
+      "log"
+      "-r"
+      "(main..@):: | (main..@)-"
+    ];
+  };
+in
+{
+  programs.jujutsu = {
+    enable = true;
+    settings = {
+      aliases = MyAliases;
+      signing = {
+        key = "~/.ssh/id_ed25519.pub";
+      };
+      ui = {
+        diff.format = "git";
+        diff.tool = [
+          "difft"
+          "--color=always"
+          "$left"
+          "$right"
+        ];
+        editor = "nvim";
+        merge-editor = [
+          "meld"
+          "$left"
+          "$base"
+          "$right"
+          "-o"
+          "$output"
+        ];
+        pager = "less -FRX";
+      };
+      user = {
+        name = "Salar Rahmanian";
+        email = "code@softinio.com";
+      };
+    };
+  };
+}