add readme.

lichao

2021-06-07 2c73aac1fe62495d8c863a92a34d191cf8e87fc0

 .gitignore

@@ -1,2 +1,13 @@
*.un~

build/
debug/
release/
Makefile
utest/utest
*.bak
gmon.out
*/bhshmq_center
*/help
*/bhshmqbox
*/bhshmq_status
.idea