feat(frontend): add API client, layout, and routing

- Create Axios-based API client with sources, jobs, and dashboard endpoints
- Add responsive Layout component with navigation sidebar
- Set up React Router with Dashboard, Backups, and Settings routes
- Configure TanStack Query provider with default options
- Use lucide-react for navigation icons

frontend/node_modules/get-stream/source/array.js

@@ -0,0 +1,32 @@
+import {getStreamContents} from './contents.js';
+import {identity, noop, getContentsProp} from './utils.js';
+
+export async function getStreamAsArray(stream, options) {
+	return getStreamContents(stream, arrayMethods, options);
+}
+
+const initArray = () => ({contents: []});
+
+const increment = () => 1;
+
+const addArrayChunk = (convertedChunk, {contents}) => {
+	contents.push(convertedChunk);
+	return contents;
+};
+
+const arrayMethods = {
+	init: initArray,
+	convertChunk: {
+		string: identity,
+		buffer: identity,
+		arrayBuffer: identity,
+		dataView: identity,
+		typedArray: identity,
+		others: identity,
+	},
+	getSize: increment,
+	truncateChunk: noop,
+	addChunk: addArrayChunk,
+	getFinalChunk: noop,
+	finalize: getContentsProp,
+};