added Azure DevOps build system

[skip ci]

* updated build system

* added code-signing

Bumps [Akka](https://github.com/akkadotnet/akka.net) from 1.3.9 to 1.3.16.
- [Release notes](https://github.com/akkadotnet/akka.net/releases)
- [Changelog](https://github.com/akkadotnet/akka.net/blob/1.3.16/RELEASE_NOTES.md)
- [Commits](akkadotnet/akka.net@v1.3.9...1.3.16)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [OpenTracing](https://github.com/opentracing/opentracing-csharp) from 0.12.0 to 0.12.1.
- [Release notes](https://github.com/opentracing/opentracing-csharp/releases)
- [Commits](opentracing/opentracing-csharp@0.12.0...0.12.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

* added integration testing back

* fixed environment variable declaration

* fixed environment variables

* going to add variables declaration to template

* Revert "Merge branch 'integration-testing' of https://github.com/Aaronontheweb/OpenTracing.ApplicationInsights into integration-testing"

This reverts commit 7f56004, reversing
changes made to 155f485.

* Revert "Revert "Merge branch 'integration-testing' of https://github.com/Aaronontheweb/OpenTracing.ApplicationInsights into integration-testing""

This reverts commit 46d040f.

* Revert "going to add variables declaration to template"

This reverts commit 155f485.

* indenting issue

Bumps [FluentAssertions](https://github.com/fluentassertions/fluentassertions) from 5.4.1 to 5.9.0.
- [Release notes](https://github.com/fluentassertions/fluentassertions/releases)
- [Commits](fluentassertions/fluentassertions@5.4.1...5.9.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [Microsoft.ApplicationInsights](https://github.com/Microsoft/ApplicationInsights-dotnet) from 2.7.2 to 2.11.0.
- [Release notes](https://github.com/Microsoft/ApplicationInsights-dotnet/releases)
- [Changelog](https://github.com/microsoft/ApplicationInsights-dotnet/blob/develop/CHANGELOG.md)
- [Commits](microsoft/ApplicationInsights-dotnet@2.7.2...2.11.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Replaces #23

Bumps `XunitVersion` from 2.3.1 to 2.4.1.

Updates `xunit` from 2.3.1 to 2.4.1
- [Release notes](https://github.com/xunit/xunit/releases)
- [Commits](xunit/xunit@2.3.1...2.4.1)

Updates `xunit.runner.visualstudio` from 2.3.1 to 2.4.1
- [Release notes](https://github.com/xunit/xunit/releases)
- [Commits](xunit/xunit@2.3.1...2.4.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

* added v0.1.2 release notes

* fixed windows release