remove example and redirects to test

Example was wrong because of date

README.md

@@ -15,89 +15,4 @@ Additionally, the `$ref` keyword is not supported. This will be fixed, but is wa
 For more details about each options, see [](USAGE.md)
 
 ## Example
-```python3
-import sys
-from json import dumps
-
-from PyQt5 import QtWidgets
-
-from qt_jsonschema_form import WidgetBuilder
-
-if __name__ == "__main__":
-    app = QtWidgets.QApplication(sys.argv)
-
-    builder = WidgetBuilder()
-
-    schema = {
-        "type": "object",
-        "title": "Number fields and widgets",
-        "properties": {
-            "schema_path": {
-                "title": "Schema path",
-                "type": "string"
-            },
-            "integerRangeSteps": {
-                "title": "Integer range (by 10)",
-                "type": "integer",
-                "minimum": 55,
-                "maximum": 100,
-                "multipleOf": 10
-            },
-            "event": {
-                "type": "string",
-                "format": "date"
-            },
-            "sky_colour": {
-                "type": "string"
-            },
-            "names": {
-                "type": "array",
-                "items": [
-                    {
-                        "type": "string",
-                        "pattern": "[a-zA-Z\-'\s]+",
-                        "enum": [
-                            "Jack", "Jill"
-                        ]
-                    },
-                    {
-                        "type": "string",
-                        "pattern": "[a-zA-Z\-'\s]+",
-                        "enum": [
-                            "Alice", "Bob"
-                        ]
-                    },
-                ],
-                "additionalItems": {
-                    "type": "number"
-                },
-            }
-        }
-    }
-
-    ui_schema = {
-        "schema_path": {
-            "ui:widget": "filepath"
-        },
-        "sky_colour": {
-            "ui:widget": "colour"
-        }
-
-    }
-    form = builder.create_form(schema, ui_schema)
-    form.widget.state = {
-        "schema_path": "some_file.py",
-        "integerRangeSteps": 60,
-        "sky_colour": "#8f5902",
-        "names": [
-            "Jack",
-            "Bob"
-        ]
-    }
-    form.show()
-    form.widget.on_changed.connect(lambda d: print(dumps(d, indent=4)))
-
-    app.exec_()
-
-
-```
+See (the test file)[test.py]