Added /shortcuts (#3048)

Added message and tests

Remember that lower vs uppercase matters

Accidentally removed \n

Added more

Formatted

api/command_shortcuts.go

@@ -0,0 +1,37 @@
+// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package api
+
+import (
+	"github.com/mattermost/platform/model"
+)
+
+type ShortcutsProvider struct {
+}
+
+const (
+	CMD_SHORTCUTS = "shortcuts"
+)
+
+func init() {
+	RegisterCommandProvider(&ShortcutsProvider{})
+}
+
+func (me *ShortcutsProvider) GetTrigger() string {
+	return CMD_SHORTCUTS
+}
+
+func (me *ShortcutsProvider) GetCommand(c *Context) *model.Command {
+	return &model.Command{
+		Trigger:          CMD_SHORTCUTS,
+		AutoComplete:     true,
+		AutoCompleteDesc: c.T("api.command_shortcuts.desc"),
+		AutoCompleteHint: "",
+		DisplayName:      c.T("api.command_shortcuts.name"),
+	}
+}
+
+func (me *ShortcutsProvider) DoCommand(c *Context, channelId string, message string) *model.CommandResponse {
+	return &model.CommandResponse{ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL, Text: c.T("api.command_shortcuts.list")}
+}