Add LoginUserModel and PTZ models

Merge remote-tracking branch 'origin/eren/model-fix'

Merge pull request #14 from Sparse-Technology/eren/card-size-works

C#: DSCS: Fixed Card Height Arrangement Issue #13

Refine release workflow for better artifact and asset handling

- In release.yml:
  - Updated the 'Upload Artifact' step to use a more concise name
  - Added a new step for uploading assets to GitHub Releases using
    softprops/action-gh-release
  - Conditionally execute the 'Upload Assets' step only for tag pushes

Update .NET workflows and add release workflow

- In dotnet.yml:
  - Removed redundant platform-specific publish steps
  - Simplified the build step

- Added release.yml:
  - Workflow for building and publishing on tag pushes

This commit optimizes the existing dotnet.yml workflow and introduces a
new release.yml workflow for building and publishing releases on tag
pushes.

Update dotnet.yml