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/code/hippie/app.js

@@ -394,20 +394,6 @@ function centerElementUnderCursor(event, element) {
 	element.style.top = `${y}px`;
 }
 
-function setAttributesAccordingToPosition(element, position, attributes) {
-	'use strict';
-
-	element.classList.remove(...Object.values(attributes).map(pos => pos.className));
-	Object.keys(attributes[position].styles).forEach(key => {
-		element.style[key] = '';
-	});
-
-	element.classList.add(attributes[position].className);
-	Object.entries(attributes[position].styles).forEach(([key, value]) => {
-		element.style[key] = value;
-	});
-}
-
 /**
  * Gibt eine Zahl zwischen <min> und <max> aus.
  * Die Werte <min> und <max> sind dabei mit eingeschlossen.
@@ -556,9 +542,37 @@ function zeroFill(number, width) {
 // Retrieved 2026-03-08, License - CC BY-SA 4.0
 const delay = ms => new Promise(res => setTimeout(res, ms));
 
-class RandomPixelCanvas {
-	constructor(containerElement, options = {}) {
-		this.container = containerElement;
+async function readJsonFile(file) {
+	return new Promise((resolve, reject) => {
+		const reader = new FileReader();
+
+		reader.readAsText(file);
+		reader.onload = function () {
+			try {
+				resolve(JSON.parse(reader.result));
+			} catch (error) {
+				reject(error);
+			}
+		};
+		reader.onerror = function () {
+			reject(reader.error);
+		};
+	});
+}
+
+async function loadJson(filePath) {
+	try {
+		const response = await fetch(filePath);
+
+		if (!response.ok) throw new Error(`Failed to load file: ${response.status}`);
+
+		return await response.json();
+	} catch (error) {
+		console.error('Error loading file:', error);
+		throw error;
+	}
+}
+
 class RandomPixelPlaceholder {
 	constructor(parent, options = {}) {
 		this.container = parent;