docs: add nix example

docs/installation.md

@@ -63,7 +63,75 @@ environment.systemPackages = with pkgs; [
 ];
 ```
 
-You can also manage Yazi's configuration using [home-manager](https://nix-community.github.io/home-manager/options.xhtml#opt-programs.yazi.enable).
+You can also manage Yazi's configuration using [home-manager](https://nix-community.github.io/home-manager/options.xhtml#opt-programs.yazi.enable), here is a configuration template example:
+
+<details>
+  <summary>Demonstrate configuring Yazi with home-manager</summary>
+
+```nix
+{pkgs, ...}: let
+	plugins-repo = pkgs.fetchFromGitHub {
+		owner = "yazi-rs";
+		repo = "plugins";
+		rev = "8d1aa6c7839b868973e34f6160055d824bb8c399";
+		hash = "sha256-EuXkiK80a1roD6ZJs5KEvXELcQhhBtAH5VyfW9YFRc8=";
+	};
+in {
+	programs.yazi = {
+		enable = true;
+		enableZshIntegration = true;
+		shellWrapperName = "y";
+
+		settings = {
+			manager = {
+				show_hidden = true;
+			};
+			preview = {
+				max_width = 1000;
+				max_height = 1000;
+			};
+		};
+
+		plugins = {
+			chmod = "${plugins-repo}/chmod.yazi";
+			hide-preview = "${plugins-repo}/hide-preview.yazi";
+			max-preview = "${plugins-repo}/max-preview.yazi";
+			starship = pkgs.fetchFromGitHub {
+				owner = "Rolv-Apneseth";
+				repo = "starship.yazi";
+				rev = "6197e4cca4caed0121654079151632f6abcdcae9";
+				sha256 = "sha256-oHoBq7BESjGeKsaBnDt0TXV78ggGCdYndLpcwwQ8Zts=";
+			};
+		};
+
+		initLua = ''
+			require("starship"):setup()
+		'';
+
+		keymap = {
+			manager.prepend_keymap = [
+				{
+					on = ["t"];
+					run = "plugin --sync hide-preview";
+					desc = "Switch the preview pane between hidden and shown";
+				}
+				{
+					on = ["T"];
+					run = "plugin --sync max-preview";
+					desc = "Maximize or restore the preview pane";
+				}
+				{
+					on = ["c" "m"];
+					run = "plugin chmod";
+					desc = "Chmod on selected files";
+				}
+			];
+		};
+	};
+}
+```
+
+</details>
 
 ## Nix flakes