Update app.js

[Neutrino-Sunset]

Purpose

Fixes a bug that caused the website to fail to load correctly when hosted in a Linux container. This was caused by the path to the TodoList.html file using the wrong case.

Does this introduce a breaking change?

[ ] Yes
[x ] No

Pull Request Type

[ x] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:

How to Test

• Get the code

// Clone to a WSL directory
git clone https://github.com/Azure-Samples/dotnet-core-api
cd dotnet-core-api
git branch -m main

• Test the code

Open VsCode.
Select 'Open Folder in Container'
Select options, C# runtime, version 3, no Azure CLI.
Once container is open in integrated terminal execute 'dotnet run'
Navigate to http:localhost:5000

What to Check

In Chrome Dev Tools Network tab verify that TodoList.html is no longer 404
View should now load corectly.

Other Information