add vdk_colors and vdk_names libs

libs/vdk_colors/src/vdk_colors.ts

@@ -0,0 +1,38 @@
+/**
+ * Miscellaneous helper functions for RGB/HSV color arithmetic
+ *
+ * Reference: https://en.wikipedia.org/wiki/HSL_and_HSV
+ *
+ * @module
+ */
+
+export {
+};
+
+export type {
+    rgb
+}
+
+
+
+/**
+ * standard red-green-blue color representation
+ *
+ * attributes `r`, `g` and `b` each are integers ranging within `0..255` inclusive
+ */
+type rgb
+    = {r : number,
+       g : number,
+       b : number};
+
+
+
+/**
+ * hue-saturation-value color representation
+ *
+ - * `h` is an inte
+ */
+type hsv
+    = {h : number,
+       s : number,
+       v : number};