Download the .jar file from GitHub and add to your servers plugin folder (if you do not have a plugin folder confirm you have installed Spigot correctly)
Launch the server, then inside the plugins folder open the newly created DiscordLogger folder
Open config.yml
Copy the Discord Webhook URL you will create in the next steps
Customize to your liking (toggle different logs on/off)
HOW TO CREATE DISCORD WEBHOOK
DISCLAIMER: YOU WILL NEED THE MANAGE WEBHOOKS PERMISSION IN YOUR DISCORD SERVER TO ADD A WEBHOOK, IF YOU DO NOT HAVE THIS PERMISSION, ASK A SERVER ADMIN TO FOLLOW THESE STEPS
Open up the Discord Channel you would like the logs to be sent to
Go into the Edit Channel menu (little gear cog on the right of the channel on Desktop)
Go to Intergrations
Go to Webhooks
Press New Webhook
Click on the new Webhook to view webhook info
Name the webhook whatever you want and add an icon if you want, then click Copy Webhook URL