[ImgBot] Optimize images

[imgbot]

Beep boop. Your images are optimized!

Your image file size has been reduced by 43% 🎉

Details

File	Before	After	Percent reduction
/docs/cn/image/rocketmq_architecture_2.png	18.07kb	4.87kb	73.03%
/docs/en/image/rocketmq_architecture_2.png	18.07kb	4.87kb	73.03%
/docs/cn/image/rocketmq_design_12.png	52.63kb	15.00kb	71.50%
/docs/en/image/rocketmq_architecture_1.png	45.21kb	14.41kb	68.12%
/docs/cn/image/rocketmq_architecture_3.png	59.98kb	19.45kb	67.57%
/docs/en/image/rocketmq_architecture_3.png	59.98kb	19.45kb	67.57%
/docs/cn/image/rocketmq_design_11.png	67.74kb	23.18kb	65.78%
/docs/cn/image/rocketmq_design_10.png	35.12kb	12.28kb	65.03%
/docs/cn/image/rocketmq_design_6.png	63.15kb	26.54kb	57.98%
/docs/cn/image/rocketmq_design_3.png	64.65kb	28.34kb	56.16%
/docs/en/images/rocketmq_storage_arch.png	108.56kb	78.54kb	27.66%
/docs/cn/image/rocketmq_design_1.png	108.56kb	78.54kb	27.66%
/docs/cn/image/rocketmq_design_9.png	38.90kb	28.39kb	27.03%
/docs/cn/image/rocketmq_design_8.png	77.18kb	63.96kb	17.13%
/docs/cn/image/rocketmq_design_5.png	136.26kb	113.23kb	16.90%
/docs/cn/image/rocketmq_design_2.png	21.76kb	18.11kb	16.77%
/docs/en/images/rocketmq_storage_flush.png	21.76kb	18.11kb	16.77%
Total :	997.59kb	567.28kb	43.14%

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