Add "cmd" and "command prompt" keywords to desktop file

cmd.exe/"Command Prompt" is the name of the default command-line interpreter in
Windows. Adding those keywords helps users who are familiar with Windows find
Konsole with a search.

desktop/org.kde.konsole.desktop

@@ -12,7 +12,7 @@ StartupNotify=true
 X-KDE-AuthorizeAction=shell_access
 X-KDE-Shortcuts=Ctrl+Alt+T
 StartupWMClass=konsole
-Keywords=terminal;console;script;run;execute;command;command-line;commandline;cli;bash;sh;shell;zsh
+Keywords=terminal;console;script;run;execute;command;command-line;commandline;cli;bash;sh;shell;zsh;cmd;command prompt
 Keywords[ar]=طرفية;كونسول;سكربت;شغل;نفذ;أوامر;سطر-الأوامر;سطر الأوامر;cli;باش;صدفة;شل;zsh
 Keywords[az]=terminal;console;script;run;execute;command;command-line;commandline;cli;bash;sh;shell;zsh;terminal;konsol;işə salmaq;icra etmək;əmr;əmr sətri
 Keywords[ca]=terminal;consola;script;executar;ordre;línia d'ordres;línia ordres;cli;bash;sh;shell;zsh