add home page

dash/app_multipages.py

+import dash
+from dash import Dash, html, dcc
+
+import dash_auth
+
+# Keep this out of source code repository - save in a file or a database
+
+
+
+VALID_USERNAME_PASSWORD_PAIRS = {
+    'hello': 'world'
+}
+
+external_stylesheets = ['https://codepen.io/chriddyp/pen/bWLwgP.css']
+
+app = Dash(__name__, external_stylesheets=external_stylesheets,use_pages=True)
+auth = dash_auth.BasicAuth(
+    app,
+    VALID_USERNAME_PASSWORD_PAIRS
+)
+
+
+app.layout = html.Div([
+    html.Div([
+
+        #dcc.Link(html.Button("Access PanExplorer"), href="app-pav"),
+        dcc.Link(html.Button("Sample Tracker"), href="sample-tracker"),
+        #dcc.Link(html.Button("GFA viewer"), href="gfa-viewer"),
+    ]),
+    html.Br(),
+    dash.page_container
+])
+
+if __name__ == '__main__':
+    app.run_server(host= '0.0.0.0',debug=True)