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/lodash/function.js

@@ -0,0 +1,25 @@
+module.exports = {
+  'after': require('./after'),
+  'ary': require('./ary'),
+  'before': require('./before'),
+  'bind': require('./bind'),
+  'bindKey': require('./bindKey'),
+  'curry': require('./curry'),
+  'curryRight': require('./curryRight'),
+  'debounce': require('./debounce'),
+  'defer': require('./defer'),
+  'delay': require('./delay'),
+  'flip': require('./flip'),
+  'memoize': require('./memoize'),
+  'negate': require('./negate'),
+  'once': require('./once'),
+  'overArgs': require('./overArgs'),
+  'partial': require('./partial'),
+  'partialRight': require('./partialRight'),
+  'rearg': require('./rearg'),
+  'rest': require('./rest'),
+  'spread': require('./spread'),
+  'throttle': require('./throttle'),
+  'unary': require('./unary'),
+  'wrap': require('./wrap')
+};