Created Notify_pushover (markdown)

Notify_pushover.md

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+## Pushover Notifications
+* **Source**: https://pushover.net/
+* **Icon Support**: No
+* **Message Format**: Text
+* **Message Limit**: 512 Characters per message
+
+There isn't too much configuration for Pushover notifications. The message is basically just passed to your online Pushover account and then gets relayed to your device(s) you've setup from there.
+
+By default, 
+### Syntax
+Valid syntax is as follows:
+* **pover**:://**{user_id}**@**{token}**
+* **pover**:://**{user_id}**@**{token}**/**{device_id}**
+* **pover**:://**{user_id}**@**{token}**/**{device_id1}**/**{device_id2}**/**{device_idN}**
+
+### Parameter Breakdown
+| Variable    | Required | Description
+| ----------- | -------- | -----------
+| user_id     | Yes      | The user identifier associated with your Pushover account.
+| token       | Yes      | The token associated with your Pushover account.
+| device_id   | No       | The device identifier to send your notification to. By default if one isn't specified then all of devices associated with your account are notified.
+
+#### Example
+Send a Pushover notification to all of our configured devices:
+```bash
+# Assuming our {user} is nuxref
+# Assuming our {token} is abcdefghijklmnop-abcdefg
+notify pover://nuxref@abcdefghijklmnop-abcdefg
+```