Add support for fromName, update README

src/sms_handler/server.py

@@ -31,7 +31,7 @@ class MailSettings(BaseSettings):
         """\
         {text}
         ---
-        From: {from}
+        From: {from} {fromName}
         Sent: {sentStamp:%c}
         Received: {receivedStamp:%c}
         Sim: {sim}
@@ -45,7 +45,8 @@ class Settings(BaseSettings):
 
 
 class SmsAlert(BaseModel):
-    from_: str = Field(alias="from")
+    from_: str = Field(alias="from")  # "from" is reserved word in Python, use an alias
+    fromName: str = ""
     text: str
     sentStamp: datetime
     receivedStamp: datetime
@@ -61,7 +62,7 @@ def send_mail(smsAlert: SmsAlert):
     msg["Subject"] = f"SMS from {smsAlert.from_}"
     msg["From"] = settings.mail.sender
     msg["To"] = settings.mail.to
-    fmt = dict(smsAlert)
+    fmt = dict(smsAlert)  # Make a dict for sms
     fmt["from"] = fmt.pop("from_")
     msg.set_content(settings.mail.template.format_map(fmt))
     return send(