Impelment Sisimai->match() method

[azumakuniyuki]

Implement new method for matching given text with all the patterns of Sisimai::Reason::*.

my $v = '550 5.1.1 User unknown';
my $r = Sisimai->match($v);
print $r; # "userunknown"

It might be usefull for getting a reason of bounce from error message of EPS's API response like
https://sendgrid.com/docs/API_Reference/Web_API/bounces.html

  {
    "status": "4.0.0",
    "created": "2011-09-19 17:47:15",
    "reason": "Connection timed out",
    "email": "rawest@gmail.co"
  },

https://docs.aws.amazon.com/ja_jp/ses/latest/DeveloperGuide/notification-contents.html

{
   "bounceType":"Permanent",
   "bounceSubType": "General",
   "bouncedRecipients":[
      {
         "status":"5.0.0",
         "action":"failed",
         "diagnosticCode":"smtp; 550 user unknown",
         "emailAddress":"recipient1@example.com"
      },
      {
         "status":"4.0.0",
         "action":"delayed",
         "emailAddress":"recipient2@example.com"
      }
   ],
   "reportingMTA": "example.com",
   "timestamp":"2012-05-25T14:59:38.605-07:00",
   "feedbackId":"000001378603176d-5a4b5ad9-6f30-4198-a8c3-b1eb0c270a1d-000000"
}