Add optional-type to the concepts array.

josealonso · josealonso · commit ec171ee7fe57 · 2025-03-14T18:51:01.000+01:00
diff --git a/config.json b/config.json
@@ -1983,6 +1983,11 @@
       "uuid": "78f3c7b2-cb9c-4d21-8cb4-7106a188f713",
       "slug": "ternary-operators",
       "name": "Ternary Operators"
+    },
+    {
+      "uuid": "a6cfc286-8c62-4f5b-8e59-f6bfc4374092",
+      "slug": "optional-type",
+      "name": "Optional Type"
     }
   ],
   "key_features": [
