Document configuration scopes

[sandy081]

From @Colengms

Scope	VS Code description	Overridable in workspace (or workspace folder in a single root scenario)	Overridable in workspace folder (in a multiroot scenario which has one or more folders)	Remote will inherit local user settings	Overridable remotely	Overridable at language level
application	Settings that apply to all instances of VS Code and can only be configured in user settings.	no	no	yes	no	no
window	Windows (instance) specific settings which can be configured in user, workspace, or remote settings.	yes	no	yes	yes	no
resource	Resource settings, which apply to files and folders, and can be configured in all settings levels, even folder settings.	yes	yes	yes	yes	no
machine	Machine specific settings that can be set only in user settings or only in remote settings. For example, an installation path which shouldn't be shared across machines.	no	no	no	yes (implicitly, as it's not inherited)	no
machine-overridable	Machine specific settings that can be overridden by workspace or folder settings.	yes	yes	no	yes (implicitly, as it's not inherited)	no
language-overridable	Resource settings that can be overridable at a language level.	yes	yes	yes	yes	Yes