немножко раскидал функции по отдельным файлам && add helloWorld example

tests/SystemColors.lua

@@ -4,6 +4,29 @@ local SystemColors = syscalls.GetSystemColors()
 
 print(SystemColors)
 
-for i, v in pairs(SystemColors) do
-	print(i, v)
+function DEC_HEX(IN)
+	local B, K, OUT, I, D = 16, "0123456789ABCDEF", "", 0
+	while IN > 0 do
+		I = I + 1
+		IN, D = math.floor(IN / B), math.mod(IN, B) + 1
+		OUT = string.sub(K, D, D) .. OUT
+	end
+	return OUT
+end
+
+local keys = {
+	"frameArea",
+	"workArea",
+	"grabBar",
+	"grabBarButton",
+	"grabButtonText",
+	"grabText",
+	"workButton",
+	"workButtonText",
+	"workGraph",
+	"workText"
+}
+
+for _, v in pairs(keys) do
+	print(v .. ':', "#" .. DEC_HEX(SystemColors[v]))
 end