Added alert module

modules/default/alert/README.md

@@ -0,0 +1,25 @@
+# Module: Alert
+The alert module is one of the default modules of the MagicMirror. This module displays notifications from other modules.
+
+## Usage
+To use this module, add it to the modules array in the config/config.js file:
+
+```
+modules: [
+	{
+		module: 'alert',
+		config: {
+			// The config property is optional.
+			// layout type: growl|attached|bar|other
+			layout: "growl",
+			// effects for the specified layout:
+			// for growl layout: scale|slide|genie|jelly
+			// for attached layout: flip|bouncyflip
+			// for bar layout: slidetop|exploader
+			effect: "slide",
+			//shown at startup
+			welcome_message: "Welcome, start was successfull!"
+		}
+	}
+]
+```