Added employee-details.js views for employee details.

Modified the following:
	main.js under scripts
	employee.js under models
	app.js under routes
	employee-details.ejs and employee.ejs under templates
	assets.js under views
to work with employee details.
Modified the following:
	main.js under scripts
	employee.js under models
	app.js under routes
	employee - details.ejs and employee.ejs under templates
	assets.js under views
to work with employee details.