Ignore Unix swap files `*.swp` in .gitignore (#5364)
Ignore Unix swap files `*.swp` in .gitignore (#5364)

Co-Authored-By: eebbe13fdaa36334769cf2b6366be8d06ed9f9d0@vn.fujitsu.com
Signed-off-by: Nguyen Hai Truong <79e9aa0c2e274ca51ed3c3b9112f68929f539784@vn.fujitsu.com>
jascott1/helm,appscode/helm,appscode/helm,jascott1/helm