修改peda颜色

修改~/peda/lib/utils.py文件, 将blue与purple值互换

改前

COLORS = {"black": "30", "red": "31", "green": "32", "yellow": "33",
                "blue": "34", "purple": "35", "cyan": "36", "white": "37"}

改后

COLORS = {"black": "30", "red": "31", "green": "32", "yellow": "33",
                "blue": "35", "purple": "34", "cyan": "36", "white": "37"}