Merge pull request #32 from fabric-testbed/add-hash-router

switch BrowserRouter to HashRouter

src/index.js

@@ -1,6 +1,6 @@
 import { App } from './app'
 import { createRoot } from 'react-dom/client'
-import { BrowserRouter } from 'react-router-dom'
+import { HashRouter } from 'react-router-dom'
 import { CssVarsProvider } from '@mui/joy/styles'
 import { theme } from './theme'
 
@@ -9,9 +9,9 @@ const root = createRoot(container)
 
 const ProvisionedApp = () => (
   <CssVarsProvider theme={ theme }>
-    <BrowserRouter>
+    <HashRouter>
       <App />
-    </BrowserRouter>
+    </HashRouter>
   </CssVarsProvider>
 )