add go api, wrap C api, not finished.

lichao

2021-04-20 ca319178f45ce6256aed7913565d445571f6db22

 .gitignore

@@ -6,6 +6,8 @@
utest/utest
*.bak
gmon.out
box/bhshmqbox
box/bhshmq_center
box/help
*/bhshmq_center
*/help
*/bhshmqbox
*/bhshmq_status
api/go/bhome_msg/*.pb.go