add initial ShellRun support for JsonRPC

Author: shedric1

Flow.Launcher.Plugin/Interfaces/IPublicAPI.cs

@@ -29,6 +29,12 @@ public interface IPublicAPI
         /// </summary>
         void RestartApp();
 
+        /// <summary>
+        /// Run a shell command or external program
+        /// </summary>
+        /// <param name="cmd">The command or program to run</param>
+        void ShellRun(string cmd);
+
         /// <summary>
         /// Save everything, all of Flow Launcher and plugins' data and settings
         /// </summary>

Flow.Launcher/PublicAPIInstance.cs

@@ -103,6 +103,16 @@ public void OpenSettingDialog()
             });
         }
 
+        public void ShellRun(string cmd)
+        {
+            System.Diagnostics.Process process = new();
+            var startInfo = process.StartInfo;
+            startInfo.FileName = "cmd.exe";
+            startInfo.Arguments = $"/C {cmd}";
+            startInfo.CreateNoWindow = true;
+            process.Start();
+        }
+
         public void StartLoadingBar() => _mainVM.ProgressBarVisibility = Visibility.Visible;
 
         public void StopLoadingBar() => _mainVM.ProgressBarVisibility = Visibility.Collapsed;