Add v12 support

system.json

@@ -1,7 +1,7 @@
 {
   "id": "fvtt-wasteland",
   "description": "Wasteland RPG for FoundryVTT",
-  "version": "11.0.22",
+  "version": "12.0.0",
   "authors": [
     {
       "name": "Uberwald/LeRatierBretonnien",
@@ -19,8 +19,10 @@
       "flags": {}
     }
   ],
-  "gridDistance": 5,
-  "gridUnits": "m",
+  "grid": {
+    "distance": 5,
+    "units": "m"
+  },
   "license": "LICENSE.txt",
   "manifest": "https://www.uberwald.me/gitea/public/fvtt-wasteland/raw/branch/main/system.json",
   "download": "https://www.uberwald.me/gitea/public/fvtt-wasteland/archive/fvtt-wasteland-v11.0.22.zip",
@@ -242,6 +244,6 @@
   "background": "systems/fvtt-wasteland/assets/ui/banniere_wasteland.webp",
   "compatibility": {
     "minimum": "11",
-    "verified": "11"
+    "verified": "12"
   }
 }