fix(docs): update icon values in meta.json files for consistency

Author: NonSwag

content/docs/commander/meta.json

@@ -2,5 +2,5 @@
   "root": true,
   "title": "Commander",
   "description": "Manage command visibility and permissions",
-  "icon": "Terminal"
+  "icon": "Command"
 }

content/docs/economist/meta.json

@@ -2,5 +2,5 @@
   "root": true,
   "title": "Economist",
   "description": "Create and manage in-game economies",
-  "icon": "CircleDollarSign"
+  "icon": "Landmark"
 }

content/docs/perworlds/meta.json

@@ -2,7 +2,7 @@
   "root": true,
   "title": "PerWorlds",
   "description": "The most versatile per-world plugin ever",
-  "icon": "EarthLock",
+  "icon": "GlobeLock",
   "pages": [
     "---Links---",
     "[Github][GitHub](https://github.com/TheNextLvl-net/per-worlds)",

content/docs/serviceio/meta.json

@@ -2,7 +2,7 @@
   "root": true,
   "title": "ServiceIO",
   "description": "A powerful and fast Vault replacement",
-  "icon": "LockKeyhole",
+  "icon": "Archive",
   "pages": [
     "---Links---",
     "[Github][GitHub](https://github.com/TheNextLvl-net/service-io)",

content/docs/worlds/meta.json

@@ -2,7 +2,7 @@
   "root": true,
   "title": "Worlds",
   "description": "The most powerful world management plugin",
-  "icon": "Earth",
+  "icon": "Globe",
   "pages": [
     "---Links---",
     "[Github][GitHub](https://github.com/TheNextLvl-net/worlds)",