This is the Welcome Screen its very nice and can run on a aternos server
Step 1: Make an aternos server, you'll need to go to https://aternos.org/:en/
Step 2: Then you need to make your server.
Step 3: Then you go to software. Then select Spigot/Bukkit and select 1.12.2
Step 4: Go to plugins
Step 5: Install EssentialsX https://aternos.org/addons/a/spigot/9089 (Select the latest version)
Step 6: When that is finished go to /Files/Plugins/ and make a folder named WelcomeMessage
Step 7: Go to software Click Spigot/Bukkit Click 1.12.2 Click the correct mark
Step 8: Go to Files Click on plugins Make a new folder Click on the green button Make a new document and name it exactly like this config.yml then go back to my repo and open config.yml and copy that code and paste it into the config.yml in aternos then scroll up and save
Step 9: Make a new document and name it exactly like this message.yml then go back to my repo and open message.yml and copy that code and paste it into the message.yml in aternos then scroll up and save
Here is the video link (https://vimeo.com/459869717)
Step 10: Launch your server and there you go