Add Dash app with bar chart example

Signed-off-by: Fabiana  ⚡️ Campanari <113218619+FabianaCampanari@users.noreply.github.com>

Author: FabianaCampanari

class_7-Building dashboards in Python and Streamlit./part_02_dash_bar_chart.py

@@ -0,0 +1,22 @@
+from dash import dcc
+import dash
+from dash import html
+
+app = dash.Dash(__name__)
+
+app.layout = html.Div([
+    html.H1("Exemplo de Layout com Gráfico"),
+    dcc.Graph(
+        id="example-graph",
+        figure={
+            "data": [
+                {"x": [1, 2, 3], "y": [4, 1, 2], "type": "bar", "name": "SF"}
+            ],
+            "layout": {"title": "Gráfico Simples"},
+        },
+    ),
+])
+
+
+if __name__ == "__main__":
+    app.run(debug=True)