How to better organize dub project to get 3 exe from same codebase?

[Suliman via Digitalmars-d-learn]

On Thursday, 25 February 2016 at 19:09:59 UTC, Suliman wrote:
> Where to store shared classes?

{
	"name": "123",
	"authors": [
		"Suliman"
	],
	"description": "A minimal D application.",
	"copyright": "Copyright © 2016, Suliman",
	"license": "proprietary",
	"subPackages": [
	{
		"name": "App1",
		"description": "App1",
		"targetType": "executable",
		"sourcePaths": ["source/App1"]
	},
	
	{
		"name": "App2",
		"description": "App2",
		"targetType": "executable",
		"sourcePaths": ["source/App2"]
	},	
	{
		"name": "App3",
		"description": "App3",
		"targetType": "executable",
		"sourcePaths": ["source/App3"]
	}	
	
	
}

Should I link from subPackages to general source/ folder ?