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/sucrase/dist/esm/parser/index.js

@@ -0,0 +1,31 @@
+
+
+import {augmentError, initParser, state} from "./traverser/base";
+import {parseFile} from "./traverser/index";
+
+export class File {
+  
+  
+
+  constructor(tokens, scopes) {
+    this.tokens = tokens;
+    this.scopes = scopes;
+  }
+}
+
+export function parse(
+  input,
+  isJSXEnabled,
+  isTypeScriptEnabled,
+  isFlowEnabled,
+) {
+  if (isFlowEnabled && isTypeScriptEnabled) {
+    throw new Error("Cannot combine flow and typescript plugins.");
+  }
+  initParser(input, isJSXEnabled, isTypeScriptEnabled, isFlowEnabled);
+  const result = parseFile();
+  if (state.error) {
+    throw augmentError(state.error);
+  }
+  return result;
+}