home: add calibre

Ideally I will extend this module to handle the plugin (and
dependencies) natively.

home/calibre/default.nix

@@ -0,0 +1,15 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.my.home.calibre;
+in
+{
+  options.my.home.calibre = with lib; {
+    enable = mkEnableOption "calibre configuration";
+  };
+
+  config = lib.mkIf cfg.enable {
+    home.packages = with pkgs; [
+      calibre # NOTE: relies on my overlay to add necessary plug-in dependencies
+    ];
+  };
+}

home/default.nix

@@ -5,6 +5,7 @@
     ./atuin
     ./bat
     ./bluetooth
+    ./calibre
     ./comma
     ./dircolors
     ./direnv