Tweak working about pub tool #6

	# To create a new release,
	# 1) Tag the git ref you would like to release with a version number starting with "v".
	# 2) Push that tag to Github with git push.
	#
	# E.g.:
	# git tag v1.0.0 && git push upstream v1.0.0

	name: Create Release

	on:
	push:
	tags:
	- "v*"

	jobs:
	release:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Create archive
	run: \|
	tag_name=${GITHUB_REF#refs/tags/}
	archive_name="flutter.tar.gz"
	git archive --format=tar.gz -o $archive_name $tag_name \
	gemini-extension.json \
	commands/ \
	LICENSE \
	README.md \
	flutter.md
	echo "ARCHIVE_NAME=$archive_name" >> $GITHUB_ENV

	- name: Create GitHub Release with GH CLI
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	gh release create ${{ github.ref_name }} \
	--generate-notes \
	${{ env.ARCHIVE_NAME }}

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