ship koreader ebook reader (and persist relevant data)

hosts/common/programs/assorted.nix

@@ -183,6 +183,7 @@ let
       gthumb
       jellyfin-media-player
       komikku
+      koreader
       # lollypop
       # mpv
       # networkmanagerapplet

hosts/common/programs/default.nix

@@ -12,6 +12,7 @@
     ./jellyfin-media-player.nix
     ./kitty
     ./komikku.nix
+    ./koreader.nix
     ./libreoffice.nix
     ./mpv.nix
     ./neovim.nix

hosts/common/programs/koreader.nix

@@ -0,0 +1,11 @@
+{ ... }:
+
+{
+  sane.programs.koreader = {
+    # koreader on aarch64 errors if there's no fonts directory (sandboxing thing, i guess)
+    fs.".local/share/fonts".dir = {};
+    # history, cache, dictionaries...
+    # could be more explicit if i symlinked the history.lua file to somewhere it can persist better.
+    persist.plaintext = [ ".config/koreader" ];
+  };
+}