Initial QSfera import

Server/vendor/github.com/gobwas/ws/util_unsafe.go

@@ -0,0 +1,22 @@
+//go:build !purego
+// +build !purego
+
+package ws
+
+import (
+	"reflect"
+	"unsafe"
+)
+
+func strToBytes(str string) (bts []byte) {
+	s := (*reflect.StringHeader)(unsafe.Pointer(&str))
+	b := (*reflect.SliceHeader)(unsafe.Pointer(&bts))
+	b.Data = s.Data
+	b.Len = s.Len
+	b.Cap = s.Len
+	return bts
+}
+
+func btsToString(bts []byte) (str string) {
+	return *(*string)(unsafe.Pointer(&bts))
+}