add french ltr to make it optional properties clear.

Author: mkhraisha

index.html

@@ -7213,26 +7213,26 @@ <h3>Language maps</h3>
     "id": "did:example:ebfeb1f712ebc6f1c276e12ec21",
     "degree": {
       "type": "ExampleBachelorDegree",
-      "name": [{
-        "@value": "Bachelor of Science and Arts",
-        "@language": "English",
-      },
-      {
-        "@value": "Baccalauréat en sciences et arts",
-        "@language": "French"
-      },
-      {
-        "@value": "بكالوريوس العلوم والآداب",
-        "@language": "ar",
-        "direction": "rtl"
-      }
+      "name": [
+        {
+          "@value": "Bachelor of Science and Arts",
+          "@language": "English"
+        },
+        {
+          "@value": "Baccalauréat en sciences et arts",
+          "@language": "French",
+          "direction": "ltr"
+        },
+        {
+          "@value": "بكالوريوس العلوم والآداب",
+          "@language": "ar",
+          "direction": "rtl"
+        }
       ]
-      
     }
   }
 }
     </pre>
-
     </section>
     <section class="appendix informative">
       <h2>IANA Considerations</h2>