Example Queries
Get all feeds
$ grpc_cli call <URL> AdminService.GetFeeds <<EOF
Username: "<Username>"
EOF
Add new feed
$ grpc_cli call <URL> AdminService.AddFeed <<EOF
Username: "<Username>"
Title: "<Title>"
URL: "<URL of feed>"
Link: "<URL of homepage>"
Folder: "<Folder>"
EOF
Remove a feed
$ grpc_cli call <URL> AdminService.RemoveFeed <<EOF
Username: "<Username>"
Id: <id>
EOF
Edit a feed
$ grpc_cli call <URL> AdminService.EditFeed <<EOF
Username: "<Username>"
Id: <id>
Folder: "<Name of folder>"
EOF