docs(readme): 將封面圖連結改為 GitHub Raw URL #3

	name: Publish to NuGet

	on:
	push:
	tags:
	- 'v*'
	workflow_dispatch:
	inputs:
	version:
	description: ''
	required: false

	permissions:
	contents: read

	jobs:
	pack-and-publish:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Setup .NET
	uses: actions/setup-dotnet@v4
	with:
	dotnet-version: 9.0.x

	- name: Restore
	run: dotnet restore

	- name: Determine version
	id: version
	shell: bash
	run: \|
	if [[ "${{ github.event_name }}" == "workflow_dispatch" && -n "${{ inputs.version }}" ]]; then
	echo "version=${{ inputs.version }}" >> "$GITHUB_OUTPUT"
	else
	ref="${GITHUB_REF#refs/tags/}"
	version="${ref#v}"
	echo "version=$version" >> "$GITHUB_OUTPUT"
	fi

	- name: Build (Release)
	run: dotnet build NeoFileMagic -c Release -p:Version=${{ steps.version.outputs.version }} --no-restore

	- name: Pack
	run: \|
	dotnet pack NeoFileMagic \
	-c Release \
	-p:PackageVersion=${{ steps.version.outputs.version }} \
	-p:ContinuousIntegrationBuild=true \
	-p:IncludeSymbols=true \
	-p:SymbolPackageFormat=snupkg \
	--no-build \
	-o ./artifacts

	- name: Push to NuGet
	env:
	NUGET_API_KEY: ${{ secrets.NUGET_API_KEY }}
	run: \|
	if [ -z "$NUGET_API_KEY" ]; then
	echo "NUGET_API_KEY secret 未設定" >&2
	exit 1
	fi
	dotnet nuget push "artifacts/*.nupkg" \
	--api-key "$NUGET_API_KEY" \
	--source "https://api.nuget.org/v3/index.json" \
	--skip-duplicate
	# 符號檔（snupkg）與 nuget.org 同站點
	dotnet nuget push "artifacts/*.snupkg" \
	--api-key "$NUGET_API_KEY" \
	--source "https://api.nuget.org/v3/index.json" \
	--skip-duplicate

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