add swipe action

nixos/pkgs/default.nix

@@ -14,6 +14,8 @@ _final: prev: {
 
     dnd-5e-latex-template = prev.callPackage ./dnd-5e-latex-template { };
 
+    roundcube-swipe = prev.callPackage ./roundcube-swipe { };
+
     gitea-agatheme = prev.callPackage ./gitea-agatheme { };
 
     # nix-shell -p "(vscode-with-extensions.override {vscodeExtensions = with vscode-extensions; [ jnoortheen.nix-ide ]; })" -I nixpkgs=.

nixos/pkgs/roundcube-swipe/default.nix

@@ -0,0 +1,18 @@
+{ runCommand, fetchzip }:
+let
+  roundcubePlugin = { pname, version, src }:
+
+    runCommand "roundcube-plugin-${pname}-${version}" { } ''
+      mkdir -p $out/plugins/
+      cp -r ${src} $out/plugins/${pname}
+    '';
+in roundcubePlugin rec {
+  pname = "roundcube-swipe";
+  version = "0.5";
+
+  src = fetchzip {
+    url =
+      "https://github.com/johndoh/roundcube-swipe/archive/refs/tags/${version}.tar.gz";
+    sha256 = "sha256-ExTnYE4uF8E+Fatz7fL+vVmxgLxawEI30Rw2uAWNCNw=";
+  };
+}