feat: add custom dictionary to aspell

config/packages.nix

@@ -14,10 +14,13 @@ in {
           aspell = aspell.overrideAttrs (super: {
             postInstall = super.postInstall + ''
               mkdir -p $out/etc
-              cat > $out/etc/aspell.conf << EOF
-              lang en_US
-              add-extra-dicts en-computers.rws
-              add-extra-dicts en_US-science.rws
+              cat >$out/lib/aspell/en_US-custom.multi <<EOF
+              add en_US-w_accents.multi
+              add en-computers.rws
+              add en_US-science.rws
+              EOF
+              cat >$out/etc/aspell.conf <<EOF
+              master en_US-custom
               EOF
             '';
           });