➕add color test script

script/color_test.py

@@ -0,0 +1,13 @@
+#!/usr/bin/env python
+import sys
+terse = "-t" in sys.argv[1:] or "--terse" in sys.argv[1:]
+write = sys.stdout.write
+for i in range(2 if terse else 10):
+    for j in range(30, 38):
+        for k in range(40, 48):
+            if terse:
+                write("\33[%d;%d;%dm%d;%d;%d\33[m " % (i, j, k, i, j, k))
+            else:
+                write("%d;%d;%d: \33[%d;%d;%dm Hello, World! \33[m \n" %
+                      (i, j, k, i, j, k,))
+        write("\n")

script/color_test.sh

@@ -0,0 +1 @@
+msgcat --color=test