3.87.0

### Added

- Added a _Storybook_ story for the investment chart component

### Changed

- Highlighted the negative values in the performance timeline chart on the analysis page (experimental)
- Moved the investment chart component to `@ghostfolio/ui`
- Improved the matching of assets in the import of activities with _Ghostfolio AI_ to prefer the holdings of the user (experimental)
- Extended the holdings table by the ISIN in the _Copy AI prompt to clipboard_ actions on the analysis page and in the tool to get the portfolio of the server of the Model Context Protocol (MCP) (experimental)
- Hardened the validation of the date in the endpoint to create an account balance
- Improved the language localization for German (`de`)
- Upgraded `bootstrap` from version `4.6.2` to `5.3.8`
- Upgraded `stripe` from version `22.6.2` to `23.0.0`

### Fixed

- Fixed an exception in the authentication interceptor when the time zone of the browser is not available
- Fixed the missing `userId` in the unique constraint of the `AccountBalance` database schema

### Special Thanks

- @Asymtode712
- @dtslvr
- @KenTandrian