fix: include the widget.json file

Author: e0ipso

widget.json

@@ -0,0 +1,40 @@
+{
+  "availableTranslations": [
+    "ar",
+    "de",
+    "en",
+    "es",
+    "esla",
+    "fr",
+    "it",
+    "ja",
+    "ko",
+    "pl",
+    "pt",
+    "ru",
+    "tr",
+    "zh-cn",
+    "zh-tw"
+  ],
+  "description": "This example contains documentation and example code for creating widgets using React.",
+  "settingsSchema": {
+    "type": "object",
+    "additionalProperties": false,
+    "properties": {
+      "fields": {
+        "type": "object",
+        "properties": {
+          "button-text": {
+            "type": "string",
+            "title": "Button text",
+            "description": "Some random string to be displayed when the widget is rendered.",
+            "examples": [
+              "foobar"
+            ]
+          }
+        }
+      }
+    }
+  },
+  "title": "Example Widget"
+}