add a blog post

[creatorkuang]

blog for face blinder

[CLAassistant]

Thank you for your submission, we really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
3 out of 4 committers have signed the CLA.

✅ qhduan
✅ huan
✅ creatorkuang
❌ weipeng

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