flake: rework modules folder structure

modules/home/niri/niri.nix

@@ -0,0 +1,36 @@
+{ pkgs, ... }:
+{
+  home.packages = with pkgs; [
+    swayosd
+    fuzzel
+    wl-clipboard
+    wayland-utils
+    libsecret
+    xwayland-satellite-unstable
+    playerctl
+    pwvucontrol
+  ];
+
+  programs.swaylock = {
+    enable = true;
+    settings = builtins.fromJSON (builtins.readFile ./swaylock.json);
+  };
+
+  services.mako = {
+    enable = true;
+    extraConfig = builtins.readFile ./mako.conf;
+  };
+  services.swayosd = {
+    enable = true;
+  };
+  programs.waybar = {
+    enable = true;
+    systemd.enable = true;
+    settings = [
+      (builtins.fromJSON (builtins.readFile ./waybar.json))
+    ];
+    style = builtins.readFile ./waybar.css;
+  };
+  programs.wpaperd.enable = true;
+  programs.niri.config = builtins.readFile ./config.kdl;
+}