Update README.md

Author: publicarray

README.md

@@ -19,5 +19,5 @@ dep ensure
 go build -ldflags="-s -w" -o ../../ui/index.cgi
 # Run the binary
 cd ../../ui/
-./index.cgi --dev > test.html
+env SERVER_PROTOCOL=HTTP/1.1 REQUEST_METHOD=GET ./index.cgi --dev > test.html
 ```