Using statement was missing when DomainPrimtivies didn't use JsonConverters. Also DateTimeOffset and Timespan primitives has small isue #49

	# This workflow will build a .NET project
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-net

	name: .NET compile and test

	on:
	push:
	branches: [ "main" ]
	paths:
	- 'src/**'
	- 'tests/**'
	pull_request:
	branches: [ "main" ]
	paths:
	- 'src/**'
	- 'tests/**'

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: Setup .NET
	uses: actions/setup-dotnet@v3
	with:
	dotnet-version: \|
	9.0.x
	8.0.x
	7.0.x

	- name: Restore dependencies
	run: dotnet restore
	- name: Build
	run: dotnet build --no-restore
	- name: Test
	run: dotnet test --no-build --verbosity normal

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