nixvim: add dashboard-nvim with project-nvim integration

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

modules/home/nixvim/plugins/editor/default.nix

@@ -11,5 +11,6 @@
     ./trouble.nix
     ./conform.nix
     ./surround.nix
+    ./project.nix
   ];
 }

modules/home/nixvim/plugins/editor/project.nix

@@ -0,0 +1,18 @@
+{...}: {
+  programs.nixvim = {
+    plugins.project-nvim = {
+      enable = true;
+      enableTelescope = true;
+      settings = {
+        detection_methods = ["pattern" "lsp"];
+        patterns = [
+          ".git"
+          "package.json"
+          "Cargo.toml"
+          "flake.nix"
+          "pyproject.toml"
+        ];
+      };
+    };
+  };
+}