Add v12 support

system.json

@@ -1,7 +1,7 @@
 {
   "id": "fvtt-les-heritiers",
   "description": "Les Héritiers pour FoundryVTT",
-  "version": "11.0.14",
+  "version": "12.0.0",
   "authors": [
     {
       "name": "Uberwald/LeRatierBretonnien",
@@ -15,11 +15,13 @@
   "esmodules": [
     "modules/heritiers-main.js"
   ],
-  "gridDistance": 5,
-  "gridUnits": "m",
+  "grid": {
+    "distance": 5,
+    "units": "m"
+  },
   "license": "LICENSE.txt",
   "manifest": "https://www.uberwald.me/gitea/public/fvtt-les-heritiers/raw/branch/master/system.json",
-  "download": "https://www.uberwald.me/gitea/public/fvtt-les-heritiers/archive/fvtt-les-heritiers-11.0.14.zip",
+  "download": "https://www.uberwald.me/gitea/public/fvtt-les-heritiers/archive/fvtt-les-heritiers-12.0.0.zip",
   "languages": [
     {
       "lang": "fr",
@@ -197,7 +199,7 @@
   "url": "https://www.uberwald.me/gitea/public/fvtt-les-heritiers",
   "background": "systems/fvtt-les-heritiers/assets/ui/wallpaper_foundry2.webp",
   "compatibility": {
-    "minimum": "10",
-    "verified": "11"
+    "minimum": "11",
+    "verified": "12"
   }
 }