updated gulpfile.js to include the default images for image alpha transparancy...

updated gulpfile.js to include the default images for image alpha transparancy and graph image defaults.

gulpfile.js

@@ -61,6 +61,12 @@ function copyEditorIcons() {
         .pipe(gulp.dest(dir.build + "editor/images/"));
 }
 
+function copyDatasetDefaultImages() {
+    return gulp
+        .src(["dataset/images/**/*.png", "dataset/images/**/*.jpg"])
+        .pipe(gulp.dest(dir.build + "dataset/images/"));
+}
+
 function copyBackground() {
     return gulp
         .src("backgrounds/background_4.jpg")
@@ -73,6 +79,7 @@ exports.build = gulp.series(
     copyParcel,
     copyDefaultSpace,
     copyEditorIcons,
+    copyDatasetDefaultImages,
     copyBackground,
     zipBuild
 );