Refs: #172

This pull request introduces a new development container configuration
for a .NET development environment. The most important changes include
specifying the base image, adding necessary features, and configuring
Visual Studio Code extensions.

Refactor the CI workflow to utilize environment variables for
versioning, replace deprecated actions, and split the testing workflow
for better clarity and maintainability.

…177)

This pull request includes several changes to implement central package
management, improve CI workflows, and update package references. The
most important changes include adding central package management to the
repository, updating CI workflows to use locked package modes, and
removing the Azure Pipelines configuration.

Central Package Management:

*
[`Directory.Packages.props`](diffhunk://#diff-5baf5f9e448ad54ab25a091adee0da05d4d228481c9200518fcb1b53a65d4156R1-R23):
Added central package management for NuGet packages, including
specifying package versions for multiple dependencies.
* `src/Netatmo/Netatmo.csproj` and
`tests/Netatmo.Tests/Netatmo.Tests.csproj`: Updated package references
to use central package management.
[[1]](diffhunk://#diff-a41b50f4784d3a3ee2c774a0c397a659874be3376e8c8d6384c96c893e004c07L29-R31)
[[2]](diffhunk://#diff-0bb3f53ddb801685bc92156388bfbed427b906ecd3fd8f7116ee76e25015df1fL18-R32)

CI Workflow Improvements:

* `.github/workflows/ci.yml` and `.github/workflows/tests.yml`: Updated
workflows to use `dotnet restore --locked-mode` and enabled caching for
`setup-dotnet` action.
[[1]](diffhunk://#diff-b803fcb7f17ed9235f1e5cb1fcd2f5d3b2838429d4368ae4c57ce4436577f03fR29-R31)
[[2]](diffhunk://#diff-b803fcb7f17ed9235f1e5cb1fcd2f5d3b2838429d4368ae4c57ce4436577f03fR53-R55)
[[3]](diffhunk://#diff-1db27d93186e46d3b441ece35801b244db8ee144ff1405ca27a163bfe878957fR25-R27)

Removal of Azure Pipelines Configuration:

*
[`azure-pipelines.yml`](diffhunk://#diff-7915b9b726a397ae7ba6af7b9703633d21c031ebf21682f3ee7e6a4ec52837a5L1-L58):
Removed the Azure Pipelines configuration file as part of the transition
to GitHub Actions for CI/CD.

Documentation Update:

*
[`README.md`](diffhunk://#diff-b335630551682c19a781afebcf4d07bf978fb1f8ac04c6bf87428ed5106870f5R6-R9):
Added a section about central package management to inform developers
about the new package management approach.

Dev Container Update:

*
[`.devcontainer/devcontainer.json`](diffhunk://#diff-24ad71c8613ddcf6fd23818cb3bb477a1fb6d83af4550b0bad43099813088686R33-R36):
Added build and test tasks to the dev container configuration to
streamline development workflows.

…g with release-drafter action (#179)

This pull request includes significant changes to the GitHub Actions
workflows, specifically around the CI and release processes. The most
important changes involve the removal of the old CI workflow and the
addition of a new release workflow.

Changes to GitHub Actions workflows:

*
[`.github/workflows/ci.yml`](diffhunk://#diff-b803fcb7f17ed9235f1e5cb1fcd2f5d3b2838429d4368ae4c57ce4436577f03fL1-L70):
Removed the entire CI workflow configuration, which included testing on
multiple operating systems, building packages, and publishing artifacts.
*
[`.github/workflows/release.yml`](diffhunk://#diff-87db21a973eed4fef5f32b267aa60fcee5cbdf03c67fafdc2a9b553bb0b15f34R1-R50):
Added a new release workflow configuration that triggers on tag pushes,
builds and tests the package, and publishes the NuGet package and
release artifacts.

---------

Co-authored-by: Copilot <[email protected]>