example: Add example flake.nix file

.gitignore

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+/example/result

example/flake.lock

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+{
+  "nodes": {
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1655880690,
+        "narHash": "sha256-pO+EqUefNFolIWV1DHXPfI8NuUtD4fd7JFKoaCjVXOs=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "a839432a5c3d2a762d68168093349097e6affb07",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "release-22.05",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1656007306,
+        "narHash": "sha256-MsC44YZ6wuBwn5Bu8T+RVoQWlp2l5BR6hhmNoAAHIEw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ccf8bdf72624521358be6bb7d9b524c4cbcf7aff",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-22.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "plasma-manager": {
+      "inputs": {
+        "home-manager": [
+          "home-manager"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1656109003,
+        "narHash": "sha256-UUhp5bBKEL370r5EphALfOrAiBO3w48U1B+97/HPlWY=",
+        "owner": "pjones",
+        "repo": "plasma-manager",
+        "rev": "1492919230b9484f5b91abdf4759bdbbdd7b6aaa",
+        "type": "github"
+      },
+      "original": {
+        "owner": "pjones",
+        "repo": "plasma-manager",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "home-manager": "home-manager",
+        "nixpkgs": "nixpkgs",
+        "plasma-manager": "plasma-manager"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

example/flake.nix

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+{
+  description = "Plasma Manager Example";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.05";
+
+    home-manager.url = "github:nix-community/home-manager/release-22.05";
+    home-manager.inputs.nixpkgs.follows = "nixpkgs";
+
+    plasma-manager.url = "github:pjones/plasma-manager";
+    plasma-manager.inputs.nixpkgs.follows = "nixpkgs";
+    plasma-manager.inputs.home-manager.follows = "home-manager";
+  };
+
+  outputs = inputs:
+    let
+      system = "x86_64-linux";
+      username = "jdoe";
+    in
+    {
+      # Standalone Home Manager Setup:
+      homeConfigurations.${username} =
+        inputs.home-manager.lib.homeManagerConfiguration {
+          # Ensure Plasma Manager is available:
+          extraModules = [
+            inputs.plasma-manager.homeManagerModules.plasma-manager
+          ];
+
+          # Specify the path to your home configuration here:
+          configuration = import ./home.nix;
+
+          inherit system username;
+          homeDirectory = "/home/${username}";
+        };
+
+      # A shell where Home Manager can be used:
+      devShells.${system}.default =
+        let pkgs = import inputs.nixpkgs { inherit system; }; in
+        pkgs.mkShell {
+          buildInputs = [
+            inputs.home-manager.packages.${system}.home-manager
+          ];
+        };
+    };
+}