working on a mythic system

src/main/resources/plugin.yml

@@ -1,4 +1,9 @@
 name: EconPlugin
 version: 1.0
 main: net.hexa.Plugin.Plugin
-api-version: '1.21.4'
+api-version: '1.21.4'
+
+commands:
+  essence:
+    description: Gives a Mythic Item Essence
+    usage: /<command>