Fix docfx configuration schema

Author: dorssel

Documentation/docfx.json

@@ -1,9 +1,10 @@
 {
+  "$schema": "https://raw.githubusercontent.com/dotnet/docfx/main/schemas/docfx.schema.json",
   "metadata": [
     {
       "src": [
         {
-          "files": ["*.csproj"],
+          "files": [ "*.csproj" ],
           "src": "../Xmss"
         }
       ],
@@ -14,21 +15,21 @@
   "build": {
     "content": [
       {
-        "files": ["**/*.{md,yml}"],
-        "exclude": ["_site/**", "obj/**"]
+        "files": [ "**/*.{md,yml}" ],
+        "exclude": [ "_site/**", "obj/**" ]
       }
     ],
     "resource": [
       {
-        "files": [".nojekyll"]
+        "files": [ ".nojekyll" ]
       },
       {
-        "files": ["**"],
+        "files": [ "**" ],
         "src": "../Examples/WebAssembly/bin/publish/wwwroot",
         "dest": "wasm-example"
       }
     ],
-    "postProcessors": ["ExtractSearchIndex"],
+    "postProcessors": [ "ExtractSearchIndex" ],
     "globalMetadata": {
       "_appTitle": "XMSS",
       "_appName": "XMSS",
@@ -46,6 +47,6 @@
       "changefreq": "daily"
     },
     "output": "_site",
-    "template": ["default", "modern", "template"]
+    "template": [ "default", "modern", "template" ]
   }
 }