Update README.md #5

	name: CI
	on:
	push:
	branches:
	- master
	jobs:
	split-upm:
	name: split upm branch
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: split upm branch
	run: \|
	git subtree split --prefix=Assets/CameraShakeManager -b upm
	git checkout upm
	if [[ -d "Samples" ]]; then
	git mv Samples Samples~
	rm -f Samples.meta
	git config --global user.name 'github-bot'
	git config --global user.email 'github-bot@users.noreply.github.com'
	git commit -am "fix: Samples => Samples~"
	fi
	git push -u -f origin upm
	env:
	DEFAULT_BRANCH: master
	GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

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