docs: add description to metadata for improved clarity

Author: NonSwag

content/docs/characters/meta.json

@@ -1,6 +1,7 @@
 {
   "root": true,
   "title": "Characters",
+  "description": "Create and manage NPCs",
   "pages": [
     "---Links---",
     "[Github][GitHub](https://github.com/thenextlvl-net/characters)",

content/docs/cinematics/meta.json

@@ -1,4 +1,5 @@
 {
   "root": true,
-  "title": "Cinematics"
+  "title": "Cinematics",
+  "description": "Record and play in-game cinematics"
 }

content/docs/commander/meta.json

@@ -1,4 +1,5 @@
 {
   "root": true,
-  "title": "Commander"
+  "title": "Commander",
+  "description": "Manage command visibility and permissions"
 }

content/docs/economist/meta.json

@@ -1,4 +1,5 @@
 {
   "root": true,
-  "title": "Economist"
+  "title": "Economist",
+  "description": "Create and manage in-game economies"
 }

content/docs/gopaintadvanced/meta.json

@@ -1,4 +1,5 @@
 {
   "root": true,
-  "title": "goPaintAdvanced"
+  "title": "goPaintAdvanced",
+  "description": "goPaint but on steroids"
 }

content/docs/holograms/meta.json

@@ -1,4 +1,5 @@
 {
   "root": true,
-  "title": "Holograms"
+  "title": "Holograms",
+  "description": "Create and manage holograms"
 }

content/docs/protect/meta.json

@@ -1,4 +1,5 @@
 {
   "root": true,
-  "title": "Protect"
+  "title": "Protect",
+  "description": "Create and manage protected areas"
 }

content/docs/serviceio/meta.json

@@ -1,4 +1,5 @@
 {
   "root": true,
-  "title": "ServiceIO"
+  "title": "ServiceIO",
+  "description": "A powerful and fast Vault replacement"
 }

content/docs/tweaks/meta.json

@@ -1,4 +1,5 @@
 {
   "root": true,
-  "title": "Tweaks"
+  "title": "Tweaks",
+  "description": "A convenient all-in-one solution"
 }

content/docs/worlds/meta.json

@@ -1,6 +1,7 @@
 {
   "root": true,
   "title": "Worlds",
+  "description": "The most powerful world management plugin",
   "pages": [
     "---Links---",
     "[Github][GitHub](https://github.com/thenextlvl-net/worlds)",