clean some .gitignore
.*.sw[op]
logs
-bin
-configs/cert.pem
-configs/key.pem
-configs/islb.pid
-configs/node.pid
-configs/biz.pid
-configs/sfu.pid
-configs/avp.pid
-cmd/biz/biz
-cmd/sfu/sfu
-cmd/islb/islb
-cmd/avp/avp
-./ion
.idea
-node_modules/
cover.out
main
.DS_Store
