add filename param to ShellRun command for running other shell types

Author: jjw24

Flow.Launcher.Plugin/Interfaces/IPublicAPI.cs

@@ -35,7 +35,7 @@ public interface IPublicAPI
         /// <param name="cmd">The command or program to run</param>
         /// <exception cref="FileNotFoundException">Thrown when unable to find the file specified in the command </exception>
         /// <exception cref="Win32Exception">Thrown when error occurs during the execution of the command </exception>
-        void ShellRun(string cmd);
+        void ShellRun(string cmd, string filename = "cmd.exe");
 
         /// <summary>
         /// Save everything, all of Flow Launcher and plugins' data and settings

Flow.Launcher/PublicAPIInstance.cs

@@ -107,9 +107,9 @@ public void OpenSettingDialog()
             });
         }
 
-        public void ShellRun(string cmd)
+        public void ShellRun(string cmd, string filename = "cmd.exe")
         {
-            var startInfo = ShellCommand.SetProcessStartInfo("cmd.exe", arguments: $"/C {cmd}", createNoWindow: true);
+            var startInfo = ShellCommand.SetProcessStartInfo(filename, arguments: $"/C {cmd}", createNoWindow: true);
             ShellCommand.Execute(startInfo);
         }