docs: change "workspaceRoot" to "workspaceFolder" (#375)
docs: change "workspaceRoot" to "workspaceFolder" (#375)

Co-authored-by: Felix Becker <a43632958e6c572bf9ce33eb1a4ad5f3c1b5311e@outlook.com>
felixfbecker/vscode-php-debug,felixfbecker/vscode-php-debug,felixfbecker/vscode-php-debug