Merge pull request #10 from J-Lassauw/feature/undo

Add undo/redo support for graph node operations

Bump version to 8.2.8 and add rendering configuration based on user input

Remove failed WebGL initialization fallback and back version to 8.2.7

Fix WebGL initialization fallback and bump version to 8.2.8

Improve property editor label formatting and bump version

Add group management features to graph and node visualization

Enhance text node rendering and version bump

Update README.md

Update README.md

Update README.md

Update about

Update issue templates

Create LICENSE

Update README.md