Fixed faulty email sender address in the initial config and the readme

README.md

@@ -31,7 +31,7 @@ Example:
     }
   ],
   "smtp": {
-    "from": "WID Notifier \u003cfrom@example.org\u003e",
+    "from": "from@example.org",
     "host": "example.org",
     "port": 587,
     "user": "from@example.org",

datastore.go

@@ -26,7 +26,7 @@ func NewConfig() Config {
 		PersistentDataFilePath: "data",
 		Recipients: []Recipient{},
 		SmtpConfiguration: SmtpSettings{
-			From: "WID Notifier <from@example.org>",
+			From: "from@example.org",
 			User: "from@example.org",
 			Password: "SiEhAbEnMiChInSgEsIcHtGeFiLmTdAsDüRfEnSiEnIcHt",
 			ServerHost: "example.org",