UPDATE theme.json to disable custom spacing options and add new color and title size entries

theme.json

@@ -12,8 +12,8 @@
     "spacing": {
       "blockGap": true,
       "margin": {
-        "custom": true,
+        "custom": false,
-        "individual": true
+        "individual": false
       },
       "padding": {
         "custom": true,
@@ -98,6 +98,11 @@
           "name": "Light",
           "slug": "light",
           "color": "#F9FAFB"
+        },
+        {
+          "name": "Blanc",
+          "slug": "white",
+          "color": "#ffffff"
         }
       ]
     },
@@ -132,6 +137,16 @@
           "slug": "xxxl",
           "name": "3XL",
           "size": "1.875rem"
+        },
+        {
+          "slug": "title-h1",
+          "name": "Title H1",
+          "size": "3rem"
+        },
+        {
+          "slug": "title-h2",
+          "name": "Title H2",
+          "size": "2.5rem"
         }
       ]
     },