don't hotlink awesome badge, use local copy

- ref. https://github.com/awesome-selfhosted/awesome-selfhosted-data/tree/master/_static
- https://github.com/awesome-selfhosted/awesome-selfhosted/issues/1038

README.md

@@ -1,6 +1,6 @@
 # Awesome-Selfhosted
 
-[![Awesome](https://cdn.jsdelivr.net/gh/sindresorhus/awesome@d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://github.com/sindresorhus/awesome) [![](https://github.com/awesome-selfhosted/awesome-selfhosted-data/actions/workflows/ci.yml/badge.svg)](https://github.com/awesome-selfhosted/awesome-selfhosted/issues/3558)
+[![Awesome](_static/awesome.png)](https://github.com/sindresorhus/awesome) [![](https://github.com/awesome-selfhosted/awesome-selfhosted-data/actions/workflows/ci.yml/badge.svg)](https://github.com/awesome-selfhosted/awesome-selfhosted/issues/3558)
 
 Self-hosting is the practice of hosting and managing applications on your own server(s) instead of consuming from [SaaSS](https://www.gnu.org/philosophy/who-does-that-server-really-serve.html) providers.