Created Notify_gotify (markdown)

Notify_gotify.md

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+## Gotify Notifications
+* **Source**: https://github.com/gotify/server
+* **Icon Support**: No
+* **Message Format**: Text
+* **Message Limit**: 32768 Characters per Message
+
+### Syntax
+Valid syntaxes are as follows:
+* **gotify**://@**{hostname}**/**{token}**
+* **gotifys**://@**{hostname}**/**{token}**
+* **gotifys**://@**{hostname}**/**{token}**/?**priority=high**
+
+Secure connections (via https) should be referenced using **gotifys://** where as insecure connections (via http) should be referenced via **gotify://**.
+
+### Parameter Breakdown
+| Variable    | Required | Description
+| ----------- | -------- | -----------
+| hostname    | Yes      | The Rocket.Chat server you're sending your notification to.
+| token       | Yes      | The Application Token you generated on your Gotify Server
+| port        | No       | The port the Gotify server is listening on. By default the port is **80** for **gotify://** and **443** for all **gotifys://** references.
+| priority    | No       | The priority level to pass the message along as. Possible values are **low**, **moderate**, **normal**, and **high**.  If no priority is specified then **normal** is used.
+
+#### Example
+Send a Gotify message:
+```bash
+# Assuming our {hostname} is localhost
+# Assuming our {token} is abcdefghijklmn
+apprise gotify://rocket.server.local/abcdefghijklmn
+```
+
+## Setup
+Here is how I set up a quick Gotify server to test against.  This may or may not be useful to other people. 
+### Docker
+Based on [this source](https://hub.docker.com/_/gotify/server/):
+```bash
+# Docker (assuming a connection to docker.io)
+sudo docker pull gotify/server
+
+sudo docker run -p 80:80 -v /var/gotify/data:$(pwd)/data gotify/server
+# Then visit http://localhost
+```