FemApp intermediate updates

Lots of intermediate updates have been implemented, as they were needed before integrating the solver component πŸ‘Œ
Updates include; solver library moved to .NET Standard 2.1, added LBCs node labeling to mesher for LBCs application, switched from Unity's JsonUtility to Newtonsoft's JsonConvert, file structure made more efficient, UI escapes from mobile screen notches, last but not least: added 2-fingers navigation πŸ₯³

FemApp v0.47

Mesh now updates when geometry is altered πŸ“ This functionality expands to undo/redo operations as well 😎

FemApp v0.46

Mesher is integrated πŸ•ΈπŸ‘€ This was a big integration πŸ•Ί Meshing parameters are kept as simple as possible 🎢

FemApp v0.45

Unit system is implemented in all operators πŸ“ and a settings dialog is added to select the unit system and number display option βš™οΈ

App and game updates

All apps and games on all platforms are updated, delivering bug fixes and performance improvements.

FemApp v0.44

A side menu is added with file operations dialog for saving & opening models etc., undo & redo mechanism and fit to screen functionality 😎