Upgrade npm packages that were locked to old versions due to now-resolved problems
Remove unused/unnecessary dependencies and their configurations
Fix VS Code format on save
Fix VS Code removing EOF newline in JSON files in conflict with npm
Remove JSON files from ESLint because it doesn't properly support JSON
Add detailed comments to web-related configuration files
* Implement select all layers shortcut
* Adjust menu entry for Select All Layers
* Avoid selecting the root of the document when selecting all layers
* Implement deselect all layers
* Fix formatting
* Add extensions.json so VS Code recommends useful extensions
* Add rust-analyzer as the default Rust formatter