add Gravity gun to some demo scenes #19

	name: Build nuget package

	on:
	push:
	tags:
	- 'v...'

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3

	- name: Setup .NET
	uses: actions/setup-dotnet@v3
	with:
	dotnet-version: 8.0.x

	- name: Restore dependencies
	run: dotnet restore

	- name: Determine Version
	id: version
	run: \|
	if [[ "${{ github.ref }}" =~ ^refs/tags/v[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
	PACKAGE_VERSION=$(echo "${{ github.ref }}" \| sed 's/^refs\/tags\/v//')
	else
	echo "Invalid tag format, setting default version..."
	PACKAGE_VERSION=0.0.0.0
	fi
	echo "PACKAGE_VERSION=$PACKAGE_VERSION" >> $GITHUB_ENV

	- name: Build Stride.BepuPhysics
	run: dotnet build ./Stride.BepuPhysics/Stride.BepuPhysics.csproj -p:Version=${{ env.PACKAGE_VERSION }} --no-restore

	# if we want to add the nuget to github
	# - name: Add github nuget source
	# run: dotnet nuget add source --username ${{ github.repository_owner }} --password ${{ secrets.GITHUB_TOKEN }} --store-password-in-clear-text --name github "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json"

	- name: Publish github nuget
	run: nuget push *\.nupkg -Source 'https://api.nuget.org/v3/index.json' -ApiKey ${{secrets.NUGETAPIKEY}}
	#run: dotnet nuget push *\.nupkg --api-key ${{secrets.NUGETAPIKEY}} --source "github"

Provide feedback