updating to 4.0

New design with breaking changes, gulp 4, all dependencies updated, dev environment changed, and many more changes

scss/utilities/_text.scss

@@ -0,0 +1,37 @@
+// Grayscale Text Utilities
+
+.text-gray-100 {
+  color: $gray-100 !important;
+}
+
+.text-gray-200 {
+  color: $gray-200 !important;
+}
+
+.text-gray-300 {
+  color: $gray-300 !important;
+}
+
+.text-gray-400 {
+  color: $gray-400 !important;
+}
+
+.text-gray-500 {
+  color: $gray-500 !important;
+}
+
+.text-gray-600 {
+  color: $gray-600 !important;
+}
+
+.text-gray-700 {
+  color: $gray-700 !important;
+}
+
+.text-gray-800 {
+  color: $gray-800 !important;
+}
+
+.text-gray-900 {
+  color: $gray-900 !important;
+}