add flake

Signed-off-by: Jess Frazelle <github@jessfraz.com>

Author: jessfraz

flake.nix

@@ -0,0 +1,61 @@
+{
+  description = "Home Manager module for jessfraz's dotfiles";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs";
+    unstable.url = "nixpkgs/nixos-unstable";
+
+    home-manager = {
+      url = "github:nix-community/home-manager";
+      inputs.nixpkgs.follows = "unstable";
+    };
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    unstable,
+    home-manager,
+    ...
+  }: let
+    supportedSystems = ["x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"];
+
+    forAllSystems = f:
+      builtins.listToAttrs (map (system: {
+          name = system;
+          value = f system;
+        })
+        supportedSystems);
+  in {
+    homeManagerModules.default = {pkgs, ...}: let
+      mkIfExists = path:
+        if builtins.pathExists path
+        then path
+        else pkgs.emptyFile;
+    in {
+      home.packages = with pkgs; [
+      ];
+
+      home.file = {
+        ".aliases".source = ./.aliases;
+        ".bash_prompt".source = ./.bash_prompt;
+        ".dockerfunc".source = ./.dockerfunc;
+        ".exports".source = ./.exports;
+        ".functions".source = ./.functions;
+        ".inputrc".source = ./.inputrc;
+        ".irssi".source = mkIfExists ./.irssi;
+        ".nixbash".source = ./.nixbash;
+        ".path".source = ./.path;
+      };
+    };
+
+    # Optional: Provide buildable homeConfigurations for testing
+    homeConfigurations = forAllSystems (
+      system:
+        home-manager.lib.homeManagerConfiguration {
+          pkgs = import nixpkgs {inherit system;};
+          modules = [self.homeManagerModules.default];
+        }
+    );
+  };
+}