fixed html path for case sensitive problem.

[cagdaskarademir]

Purpose

if you run on linux or macos, you get 404 error on page loading for TodoList.html. Pr will resolve this issue.

Does this introduce a breaking change?

[ ] Yes
[x] No

Pull Request Type

What kind of change does this Pull Request introduce?

[x ] Bugfix
[ ] Feature
[x] 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
• dotnet run Linux or MacOs machine

[msftclas]

All CLA requirements met.

[cagdaskarademir]

#1