haskell-packages: bring hoogle to the masses by imlementing ghcWithHoogle

Replace `ghcWithPackages` to `ghcWithHoogle` in your config and enjoy.

pkgs/development/haskell-modules/hoogle.nix

@@ -98,6 +98,10 @@ stdenv.mkDerivation {
     chmod +x $out/bin/hoogle
   '';
 
+  passthru = {
+    isHaskellLibrary = false; # for the filter in ./with-packages-wrapper.nix
+  };
+
   meta = {
     description = "A local Hoogle database";
     platforms = ghc.meta.platforms;