Add verbose flag.

src/Faithlife.Build/BuildRunner.cs

@@ -58,6 +58,7 @@ public static async Task<int> ExecuteAsync(string[] args, Action<BuildApp> initi
 		var parallelFlag = buildApp.AddFlag("--parallel", "Run targets in parallel");
 		var noColorFlag = buildApp.AddFlag("--no-color", "Disable color output");
 		var showTreeFlag = buildApp.AddFlag("--show-tree", "Show the dependency tree");
+		var verboseFlag = buildApp.AddFlag("--verbose", "Show verbose output");
 		var helpFlag = buildApp.AddFlag("-h|-?|--help", "Show build help");
 		var targetsArgument = commandLineApp.Argument("targets", "The targets to build", multipleValues: true);
 
@@ -118,6 +119,8 @@ void AddTargetAndDependencies(BuildTarget target)
 					bullseyeArgs.Add("--dry-run");
 				if (parallelFlag.Value)
 					bullseyeArgs.Add("--parallel");
+				if (verboseFlag.Value)
+					bullseyeArgs.Add("--verbose");
 				bullseyeArgs.Add("--no-extended-chars");
 
 				try