Encapsulate PDDL Blockly into VSCode extension

[Flamak]

https://github.com/microsoft/vscode-extension-samples/tree/main/custom-editor-sample
vscode-extension-samples/custom-editor-sample at main · microsoft/vscode-extension-samples
Sample code illustrating the VS Code extension API. - vscode-extension-samples/custom-editor-sample at main · microsoft/vscode-extension-samples

https://esbuild.github.io/
esbuild - An extremely fast JavaScript bundler