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/@adobe/css-tools/docs/CHANGELOG.md

@@ -0,0 +1,191 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [4.4.4] - 2025-07-22
+
+### Changed
+- Switch from yarn to npm for package management
+- Switch from eslint to biome for code formatting and linting
+- Reformat codebase to comply with biome recommendations
+- Switch from webpack to rollup for bundling
+
+### Fixed
+- Fix module exports to ensure proper compatibility with bundlers
+- Add validation check to prevent future export issues
+
+## [4.4.3] - 2025-05-15
+
+### Security
+- Fix polynomial regular expression vulnerability on uncontrolled data
+- Refactor code to enable GitHub security static analysis
+
+### Performance
+- Improve parsing performance with minor optimizations
+- Replace regex patterns with string search (indexOf-based) for better performance
+
+### Added
+- Add new utility functions with comprehensive unit tests
+- Add improved formatting for CSS Grid template areas (#283 by @jogibear9988)
+
+### Fixed
+- Fix TypeScript error with ConstructorParameters in Parcel bundler (#444)
+
+## [4.4.2] - 2025-02-12
+
+### Fixed
+- Fix regular expression for parsing quoted values in parentheses
+
+## [4.4.0] - 2024-06-05
+
+### Added
+- Add support for CSS `@starting-style` at-rule (#319)
+
+## [4.3.3] - 2024-01-24
+
+### Changed
+- Update package export configuration (#271)
+
+## [4.3.2] - 2023-11-28
+
+### Security
+- Fix ReDoS vulnerability with crafted CSS strings - CVE-2023-48631
+
+### Fixed
+- Fix parsing issues with `:is()` and nested `:nth-child()` selectors (#211)
+
+## [4.3.1] - 2023-03-14
+
+### Security
+- Fix ReDoS vulnerability with crafted CSS strings - CVE-2023-26364
+
+## [4.3.0] - 2023-03-07
+
+### Changed
+- Update build toolchain and dependencies
+- Update package exports configuration and file structure
+
+## [4.2.0] - 2023-02-21
+
+### Added
+- Add support for CSS `@container` at-rule
+- Add support for CSS `@layer` at-rule
+
+## [4.1.0] - 2023-01-25
+
+### Added
+- Add support for ES Modules (ESM)
+
+## [4.0.2] - 2023-01-12
+
+### Fixed
+- Fix `@import` parsing when URL contains semicolons (#71)
+- Fix regression in selector parsing for attribute selectors (#77)
+
+## [4.0.1] - 2022-08-03
+
+### Fixed
+- Fix `globalThis` configuration for webpack to enable UMD module usage in Node.js environments
+
+## [4.0.0] - 2022-06-09
+
+### Changed
+- Fork from original css library to Adobe's `@adobe/css-tools` package
+- Convert codebase from JavaScript to TypeScript
+- Improve parsing performance by approximately 25%
+- Update all dependencies to latest versions
+- Remove source map support
+
+---
+
+## Legacy Versions (Pre-Adobe Fork)
+
+## [3.0.0] - 2020-07-01
+
+### Changed
+- Bump major version due to major dependency updates and Node.js version requirement changes
+
+## [2.2.1] - 2015-06-17
+
+### Fixed
+- Fix parsing of escaped quotes in quoted strings
+
+## [2.2.0] - 2015-02-18
+
+### Added
+- Add `parsingErrors` property to list errors when parsing with `silent: true`
+- Accept EOL characters and all whitespace characters in at-rules such as `@media`
+
+## [2.1.0] - 2014-08-05
+
+### Added
+- Add `inputSourcemaps` option to disable input source map processing
+- Add `sourcemap: 'generator'` option to return the `SourceMapGenerator` object
+- Use `inherits` package for inheritance (fixes browser compatibility issues)
+
+### Changed
+- Change error message format and add `.reason` property to error objects
+
+## [2.0.0] - 2014-06-18
+
+### Added
+- Add non-enumerable parent reference to each AST node
+- Add support for `@custom-media`, `@host`, and `@font-face` at-rules
+- Allow commas inside selector functions
+- Allow empty property values
+- Add `node.position.content` property
+- Integrate css-parse and css-stringify libraries
+- Apply original source maps from source files
+
+### Changed
+- Change default `options.position` value to `true`
+- Remove comments from properties and values
+
+### Removed
+- Drop Component(1) support
+
+### Fixed
+- Fix assertion errors when selectors are missing
+
+## [1.6.1] - 2014-01-02
+
+### Fixed
+- Fix component.json configuration
+
+## [1.6.0] - 2013-12-21
+
+### Changed
+- Update dependencies
+
+## [1.5.0] - 2013-12-03
+
+### Changed
+- Update dependencies
+
+## [1.1.0] - 2013-04-04
+
+### Changed
+- Update dependencies
+
+## [1.0.7] - 2012-11-21
+
+### Fixed
+- Fix component.json configuration
+
+## [1.0.4] - 2012-11-15
+
+### Changed
+- Update css-stringify dependency
+
+## [1.0.3] - 2012-09-01
+
+### Added
+- Add Component support
+
+## [0.0.1] - 2010-01-03
+
+### Added
+- Initial release