Merge pull request #64 from Flow-Launcher/add-discord-webhook-usage-guide

add usage guide to discord-webhook plugin

Author: Yusyuriv

src/data/plugins/discord-webhook/plugin.md

@@ -11,3 +11,41 @@ tags:
 - Automation
 - Social Media
 ---
+
+## Usage
+
+*Note: This "guide" assumes that your action keyword is "dischook"*
+
+### Sending a message to a url
+
+```
+dischook <url> <message>
+```
+
+### Adding a url as a preset
+
+*Note: This result will only appear if the preset keyword does not contain any spaces*
+
+```
+dischook <url> <preset keyword>
+```
+
+### Sending a message to a preset
+
+```
+dischook <preset keyword> <message>
+```
+
+### Display all presets
+
+```
+dischook
+```
+
+### Deleting a preset
+
+Find the result for the preset you want to delete, and press the `Remove Webhook` button in the result's context menu
+
+```
+dischook
+```