docs: restore logoColor=white for shield logo visibility

Author: michaelblaess

README.md

@@ -1,14 +1,14 @@
 # Halma — Sternhalma gegen die KI
 
-[![Stars](https://img.shields.io/github/stars/michaelblaess/halma?logo=github&color=fbbf24)](https://github.com/michaelblaess/halma/stargazers)
-[![Forks](https://img.shields.io/github/forks/michaelblaess/halma?logo=github&color=34d399)](https://github.com/michaelblaess/halma/network/members)
-[![Issues](https://img.shields.io/github/issues/michaelblaess/halma?logo=github&color=f87171)](https://github.com/michaelblaess/halma/issues)
-[![Pull Requests](https://img.shields.io/github/issues-pr/michaelblaess/halma?logo=github&color=a78bfa)](https://github.com/michaelblaess/halma/pulls)
+[![Stars](https://img.shields.io/github/stars/michaelblaess/halma?logo=github&logoColor=white&color=fbbf24)](https://github.com/michaelblaess/halma/stargazers)
+[![Forks](https://img.shields.io/github/forks/michaelblaess/halma?logo=github&logoColor=white&color=34d399)](https://github.com/michaelblaess/halma/network/members)
+[![Issues](https://img.shields.io/github/issues/michaelblaess/halma?logo=github&logoColor=white&color=f87171)](https://github.com/michaelblaess/halma/issues)
+[![Pull Requests](https://img.shields.io/github/issues-pr/michaelblaess/halma?logo=github&logoColor=white&color=a78bfa)](https://github.com/michaelblaess/halma/pulls)
 
-[![Last Commit](https://img.shields.io/github/last-commit/michaelblaess/halma?logo=git&color=3b82f6)](https://github.com/michaelblaess/halma/commits/main)
+[![Last Commit](https://img.shields.io/github/last-commit/michaelblaess/halma?logo=git&logoColor=white&color=3b82f6)](https://github.com/michaelblaess/halma/commits/main)
 [![License](https://img.shields.io/badge/license-Apache_2.0-3b82f6)](LICENSE)
-[![React](https://img.shields.io/badge/react-19-3b82f6?logo=react)](https://react.dev/)
-[![TypeScript](https://img.shields.io/badge/typescript-5-3b82f6?logo=typescript)](https://www.typescriptlang.org/)
+[![React](https://img.shields.io/badge/react-19-3b82f6?logo=react&logoColor=white)](https://react.dev/)
+[![TypeScript](https://img.shields.io/badge/typescript-5-3b82f6?logo=typescript&logoColor=white)](https://www.typescriptlang.org/)
 
 Ein Sternhalma-Brettspiel (Chinese Checkers) gegen die KI, direkt im Browser spielbar.
 Drei Schwierigkeitsstufen, sieben Themes, Hintergrundmusik, Highscores und vollstaendig offline-faehig als PWA.