Bump to v0.1.18, add icon and badges to README

- Add SVG icon with red rounded border "T"
- Add PyPI version, coverage, Python version, and license badges
- Remove video embed from README
- Center header with icon

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

tensors/server/__init__.py

@@ -40,7 +40,7 @@ def create_app() -> FastAPI:
     app = FastAPI(
         title="tensors",
         description="API for CivitAI model management and image gallery",
-        version="0.1.17",
+        version="0.1.18",
         lifespan=lifespan,
         docs_url=None,
         redoc_url=None,