Ensure SPA urls don't 404

netlify.toml

@@ -0,0 +1,19 @@
+[Settings]
+# Added automatically by the Netlify CLI. It has no effect during normal 
+# Git-backed deploys.
+ID = "be420a16-4ef3-43b1-ac62-35869bdf8679"
+
+# Settings in the [build] context are global and are applied to all contexts 
+# unless otherwise overridden by more specific contexts.  
+[build]
+  # Directory (relative to root of your repo) that contains the deploy-ready 
+  # HTML files and assets generated by the build.
+  publish = "build/"
+
+  # Default build command.
+  command = "npm run build"
+
+[[redirects]]
+  from = "/*"
+  to = "/index.html"
+  status = 200