Add filter function

src/main/resources/plugin.yml

@@ -5,13 +5,17 @@ api-version: '1.21'
 
 commands:
   akill:
-    description: aKill Befehl
+    description: aKill Command
     usage: /akill <mode> <player>
 
+  afilter:
+    description: Filter Players
+    usage: /afilter <player>
+
 permissions:
   akill.use:
-    description: Darf /akill benutzen
+    description: Can use /akill
     default: op
   akill.admin:
-    description: Darf 470Hacker töten
+    description: Can use /afilter
     default: op