告知のSlack通知の関数利用 #2564

<img src="https://git.dev.d-es.co.jp/gitbucket/jolly/jr-web/_attached/16747161142627murDtaqn3" width="500">
1通知で複数内容を通知するので、以下のような値に適応させる

"attachments":[
   {
      "color":"#D00000",
      "fields":[
         {
            "title":"attachment01",
            "value":"This is attachment"
         }
      ]
   },
   {
      "color":"#00FF00",
      "fields":[
         {
            "title":"attachment02",
            "value":"This is attachment02"
         }
      ]
   }
],