moved nixvim into own home-manager module.

moved pass store location.

modules/home-manager/nvim/nvim-tree.nix

@@ -0,0 +1,31 @@
+{
+  configs,
+  pkgs,
+  ...
+}: {
+  programs.nixvim = {
+    plugins.nvim-tree = {
+      enable = true;
+      disableNetrw = true;
+      hijackCursor = true;
+      hijackNetrw = true;
+      hijackUnnamedBufferWhenOpening = true;
+      actions = {
+        useSystemClipboard = true;
+        changeDir.enable = true;
+      };
+      filesystemWatchers.enable = true;
+    };
+    keymaps = [
+      {
+        action = ":NvimTreeToggle<CR>";
+        key = "<leader>t";
+        mode = "n";
+        options = {
+          silent = true;
+          desc = "toggle file browser";
+        };
+      }
+    ];
+  };
+}