Add sws.toml config for proper WASM headers

COOP/COEP headers required for SharedArrayBuffer (WASM multi-threading).

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

README.md

@@ -53,9 +53,27 @@ FROM ghcr.io/static-web-server/static-web-server:2 AS sws
 FROM scratch
 COPY --from=sws /static-web-server /static-web-server
 COPY --from=build /app/build/web /public
+COPY sws.toml /sws.toml
 EXPOSE 8080
 USER 65534
-ENTRYPOINT ["/static-web-server", "-p", "8080", "-d", "/public"]
+ENTRYPOINT ["/static-web-server", "--config-file", "/sws.toml"]
+```
+
+**sws.toml** - Required headers for WASM multi-threading:
+
+```toml
+[general]
+host = "0.0.0.0"
+port = 8080
+root = "/public"
+page-fallback = "/public/index.html"
+compression = true
+
+[[advanced.headers]]
+source = "**"
+[advanced.headers.headers]
+Cross-Origin-Opener-Policy = "same-origin"
+Cross-Origin-Embedder-Policy = "require-corp"
 ```
 
 ### Android APK