Add email and phone number mentions

discord/discord-api-docs#7657

Author: sebm253

discord/mentionable.go

@@ -22,6 +22,8 @@ var (
 	MentionTypeEveryone        = MentionType{regexp.MustCompile(`@everyone`)}
 	MentionTypeGuildNavigation = MentionType{regexp.MustCompile("<id:(browse|customize|guide|linked-roles)>")}
 	MentionTypeLinkedRole      = MentionType{regexp.MustCompile(`<id:linked-roles:(\d+)>`)}
+	MentionTypeEmail           = MentionType{regexp.MustCompile(`<.+@.+>`)}
+	MentionTypePhoneNumber     = MentionType{regexp.MustCompile(`<\+.+>`)}
 )
 
 type Mentionable interface {
@@ -92,3 +94,11 @@ func NavigationLinkedRoles() string {
 func NavigationLinkedRole(id snowflake.ID) string {
 	return fmt.Sprintf("<id:linked-roles:%d>", id)
 }
+
+func EmailMention(email string) string {
+	return fmt.Sprintf("<%s>", email)
+}
+
+func PhoneNumberMention(number string) string {
+	return fmt.Sprintf("<%s>", number)
+}