Added a flake.nix with cachix for nix build support

.github/workflows/build.yaml

@@ -1,4 +1,4 @@
-name: Build and Upload Binary
+name: Build and Upload AppImage Binary
 
 on:
   workflow_dispatch:

.github/workflows/nix.yaml

@@ -0,0 +1,20 @@
+name: "Nix Build and Cache"
+on:
+  workflow_dispatch:
+    inputs:
+      branch:
+        description: "main build"
+        required: true
+        default: "main"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v30
+      - uses: cachix/cachix-action@v15
+        with:
+          name: wombatfromhell
+          authToken: "${{ secrets.CACHIX_TOKEN }}"
+      - run: nix build . --print-out-paths

.gitignore

@@ -1,2 +1,3 @@
-/target
-veridian-controller.toml
+target
+result
+veridian-controller.toml

flake.nix

@@ -0,0 +1,55 @@
+{
+  description = "Veridian Controller";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+    naersk.url = "github:nix-community/naersk";
+  };
+
+  nixConfig = {
+    extra-substituters = [
+      "https://wombatfromhell.cachix.org/"
+    ];
+    extra-trusted-public-keys = [
+      "wombatfromhell.cachix.org-1:pyIVJJkoLxkjH/MKK1ylrrdJKPpm+aXLeD2zAqVk9lA="
+    ];
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    naersk,
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = import nixpkgs {inherit system;};
+      naersk' = pkgs.callPackage naersk {};
+    in {
+      packages = {
+        veridian-controller = naersk'.buildPackage {
+          pname = "veridian-controller";
+          version = "0.2.6";
+          src = ./.;
+        };
+        default = self.packages.${system}.veridian-controller;
+      };
+
+      overlays.default = final: prev: {
+        veridian-controller = self.packages.${prev.system}.veridian-controller;
+      };
+
+      apps.default = flake-utils.lib.mkApp {
+        drv = self.packages.${system}.default;
+      };
+    })
+    // {
+      nixosModules.default = {
+        config,
+        pkgs,
+        ...
+      }: {
+        nixpkgs.overlays = [self.overlays.default];
+      };
+    };
+}

unit-example.nix

@@ -0,0 +1,22 @@
+# include this module in your home-manager config
+{
+  pkgs, # make sure to include the input from your flake
+  ...
+}: let
+  moduleName = "veridian-controller";
+  description = "Veridian Controller User Fan Service";
+in {
+  # systemd user service to start the fan controller on startup
+  systemd.user.services."${moduleName}" = {
+    Unit = {
+      Description = "${description}";
+    };
+    Service = {
+      Type = "simple";
+      ExecStart = "${pkgs.${moduleName}}/bin/${moduleName}";
+    };
+    Install = {
+      WantedBy = ["graphical-session.target"];
+    };
+  };
+}