Each stream uses a different color, fixes #136

internal/constants/colors.go

@@ -0,0 +1,23 @@
+package constants
+
+import "github.com/fatih/color"
+
+func ColorUnbound() color.Color {
+	return *color.New(color.FgCyan)
+}
+
+func ColorTinyproxy() color.Color {
+	return *color.New(color.FgHiMagenta)
+}
+
+func ColorShadowsocks() color.Color {
+	return *color.New(color.FgHiYellow)
+}
+
+func ColorShadowsocksError() color.Color {
+	return *color.New(color.FgHiRed)
+}
+
+func ColorOpenvpn() color.Color {
+	return *color.New(color.FgHiMagenta)
+}