Fem-design

What's Changed
* GitHub Actions - CI Tests by xRadne in https://github.com/strusoft/femdesign-api/pull/553
* IFemDesignEntity and EntityBase cleanup by xRadne in https://github.com/strusoft/femdesign-api/pull/557
* 21.5.0 by Marco-Pellegrino xRadne andosca in https://github.com/strusoft/femdesign-api/pull/544

Closed Issues
https://github.com/strusoft/femdesign-api/milestone/14?closed=1

What's Changed
* 21.4.0 Improved C workflow by Marco-Pellegrino xRadne andosca in https://github.com/strusoft/femdesign-api/pull/489


**Full Changelog**: https://github.com/strusoft/femdesign-api/compare/21.3.0...21.4.0

What's Changed
* Construction Stages
* Design Calculation with LoadCombination or LoadGroup
* Apply design changes
* Access to GlobalConfig with API
* Point Support can be define with a plane geometry in order to define the local axis.
* Point Support Simple Definition
* `defaultPhysicalAlignment` set to false

Grasshopper specific
* About Component store the version was created with
* Grasshopper component are grouped with Divider
* MaterialDataBase return a list of material divided by type
* Certain components accept a "valuelist" input that will auto-update with the right input

Bug
* Create new edge will have XAxis equal to null
* Delta Beam complex section guid BUG

What's Changed in details
* 21.3.0 by andosca Marco-Pellegrino xRadne in https://github.com/strusoft/femdesign-api/pull/422


**Full Changelog**: https://github.com/strusoft/femdesign-api/compare/21.2.1...v21.3.0

Additional Result Readers have been implemented.

- Results\LabelledSectionInternalForce.cs
- Results\LabelledSectionResultant.cs
- Results\Units.cs
- Results\BarInternalForce.cs
- Results\BarStress.cs
- Results\EigenFrequencies\EigenFrequencies.cs
- Results\EigenFrequencies\NodalVibration.cs
- Results\FiniteElements\FeaBar.cs
- Results\FiniteElements\FDfea.cs
- Results\FiniteElements\FeaNode.cs
- Results\FiniteElements\FeaShell.cs
- Results\FootFall\NodalAcceleration.cs
- Results\FootFall\NodalResponseFactor.cs
- Results\LineConnectionForce.cs
- Results\LineConnectionResultant.cs
- Results\BarDisplacement.cs
- Results\LineSupportResultant.cs
- Results\RC design\ShellCrackWidth.cs
- Results\RC design\ShellUtilization.cs
- Results\Shell\ShellDerivedForce.cs
- Results\Shell\ShellDisplacement.cs

What's Changed
Fix bug with arc line supports 426

**Full Changelog**: https://github.com/strusoft/femdesign-api/compare/21.2.0...21.2.1