Add zk at home-manager level

hmModules/zk/default.nix

@@ -0,0 +1,42 @@
+{
+  programs.bat.enable = true;
+  programs.fzf.enable = true;
+  programs.zk = {
+    enable = true;
+    settings = {
+      notebook.dir = "~/notebook";
+      note = {
+        language = "en";
+        default-title = "Untitled";
+        filename = "{{id}}";
+        extension = "md";
+        template = "default.md";
+      };
+      group.journal = {
+        paths = [ "journal" ];
+        note = {
+          filename = "{{format-date now}}";
+          template = "journal.md";
+        };
+      };
+      format.markdown = {
+        hashtags = false;
+        colon-tags = true;
+        multiword-tags = false;
+      };
+      tool = {
+        pager = "less -FIRX";
+        fzf-preview = "bat --color always {-1}";
+      };
+      lsp.diagnostics = {
+        wiki-title = "hint";
+        dead-link = "error";
+      };
+      lsp.completion = {
+        note-label = "{{title-or-path}}";
+        note-filter-text = "{{title}} {{path}}";
+        note-detail = "{{filename-stem}}";
+      };
+    };
+  };
+}

hosts/picard/default.nix

@@ -85,6 +85,7 @@
       "calibre"
       "reinstall-magisk-on-lineage"
       "vscode-server"
+      "zk"
     ];
     extraGroups = [ ];
     backupPaths = [ ];