Created Notify_syslog (markdown)

Notify_syslog.md

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+## Syslog Notifications
+* **Source**: https://tools.ietf.org/html/rfc5424
+* **Icon Support**: No
+* **Message Format**: Text
+* **Message Limit**: 32768 Characters per message
+
+Syslog is a way for network devices to send event messages to a logging server – usually known as a Syslog server. The Syslog protocol is supported by a wide range of devices and can be used to log different types of events.
+
+### Syntax
+Valid syntaxes are as follows:
+* `syslog://`
+
+One might change the facility from it's default like so:
+* `syslog://_/?facility=local5`
+
+### Parameter Breakdown
+| Variable    | Required | Description
+| ----------- | -------- | -----------
+| facility    | No       | The facility to use, by default it is `user`. Valid options are **kern**, **user**, **mail**, **daemon**, **auth**, **syslog**, **lpr**, **news**, **uucp**, **cron**, **local0**, **local1**, **local2**, **local3**, **local4**, **local5**, **local6**,  and **local7**
+| log_perror  | No       | Additionally send the log message to _stderr_
+| log_pid     | Yes      | Include PID as part of the log output.
+
+#### Example
+Send a Syslog notification
+```bash
+# The following sends a syslog notification to the `user`
+# facility
+apprise syslog://
+```