Add more command shorthands (#307)

add more command aliases

breaking: s/notif/n

Co-authored-by: Norwin Roosen <git@nroo.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/307
Reviewed-by: 6543 <6543@obermui.de>
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-Authored-By: Norwin <noerw@noreply.gitea.io>
Co-Committed-By: Norwin <noerw@noreply.gitea.io>

cmd/times/add.go

@@ -20,6 +20,7 @@ import (
 // CmdTrackedTimesAdd represents a sub command of times to add time to an issue
 var CmdTrackedTimesAdd = cli.Command{
 	Name:      "add",
+	Aliases:   []string{"a"},
 	Usage:     "Track spent time on an issue",
 	UsageText: "tea times add <issue> <duration>",
 	Description: `Track spent time on an issue