Change the list of Gradle progress event messages that we listen to

This makes the list populate a bit more slowly but makes ever line that the
user sees feel a bit more informative. And after some tests, it's not so slow
that you don't think anything is soft locked.

That said, I will experiment adding a spinner into a followup commit.

Author: bitspittle

kobweb/src/main/kotlin/com/varabyte/kobweb/cli/common/GradleUtils.kt

@@ -138,7 +138,7 @@ class KobwebGradle(private val env: ServerEnvironment, projectDir: File) : Close
         // Add a progress listener specifically with the purpose of picking up events that will happen frequently during
         // the startup lifecycle, so we can show users something is happening (besides just "please wait, trust us")
         // before tasks start getting executed.
-        val startupProgressEvents = listOf(OperationType.GENERIC, OperationType.PROJECT_CONFIGURATION)
+        val startupProgressEvents = listOf(OperationType.PROJECT_CONFIGURATION, OperationType.FILE_DOWNLOAD)
 
         onStarting(OnStartingEvent(task, finalArgs))
         projectConnection.newBuild()