UPDATE 2021 version

Name		Name	Last commit message	Last commit date
Latest commit History 4 Commits
static		static
.gitignore		.gitignore
.upignore		.upignore
LICENSE		LICENSE
Makefile		Makefile
README.md		README.md
bins		bins
go.mod		go.mod
go.sum		go.sum
index.html		index.html
main.go		main.go
polyfill.html		polyfill.html
up.json		up.json

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