feat: implements text/event-stream(SSE) MIME parser (#1416)

Co-authored-by: 007gzs <007gzs@gmail.com>

plugins/wasm-rust/example/sse-timing/Makefile

@@ -0,0 +1,10 @@
+BUILD_OPTS="--release"
+
+.DEFAULT:
+build:
+	cargo build --target wasm32-wasi ${BUILD_OPTS}
+	find target -name "*.wasm" -d 3 -exec cp "{}" plugin.wasm \;
+
+clean:
+	cargo clean
+	rm -f plugin.wasm