feat: Update app and windows

- Move setAttributesAccordingToPosition to HippieTaskbar
- Use TimeDisplay inside HippieTaskbar
- Add readJsonFile and loadJson to app
- Initialize taskbar with config from data/windows.json
- Update jshint globals

source/data/windows.json

@@ -0,0 +1,13 @@
+{
+	"taskbar": {
+		"position": "top",
+		"color": "white",
+		"hover": {
+			"active": true,
+			"color": "#52bed1"
+		}
+	},
+	"window": {
+		"name": "Custom"
+	}
+}