qownnotes: add aspell support (#448223)

pkgs/by-name/qo/qownnotes/package.nix

@@ -13,6 +13,7 @@
   xvfb-run,
   versionCheckHook,
   nix-update-script,
+  aspell,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -42,6 +43,7 @@ stdenv.mkDerivation (finalAttrs: {
     qt6Packages.qtwebsockets
     botan3
     libgit2
+    aspell
   ]
   ++ lib.optionals stdenv.hostPlatform.isLinux [ qt6Packages.qtwayland ];
 
@@ -49,6 +51,7 @@ stdenv.mkDerivation (finalAttrs: {
     "-DQON_QT6_BUILD=ON"
     "-DBUILD_WITH_SYSTEM_BOTAN=ON"
     "-DBUILD_WITH_LIBGIT2=ON"
+    "-DBUILD_WITH_ASPELL=ON"
   ];
 
   # Install shell completion on Linux (with xvfb-run)
@@ -103,5 +106,6 @@ stdenv.mkDerivation (finalAttrs: {
       matthiasbeyer
     ];
     platforms = lib.platforms.unix;
+    mainProgram = "qownnotes";
   };
 })