The following actions uses node12 which is deprecated and will be forced to run on node16: actions/setup-dotnet@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Fix formatting (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/ide0055)

Rename type name TodoItemCompletedEventHandler so that it does not end in 'EventHandler' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1711)

Rename type name TodoItemCreatedEventHandler so that it does not end in 'EventHandler' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1711)

Rename type name TodoItemDeletedEventHandler so that it does not end in 'EventHandler' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1711)

Non-nullable field '_database' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Fix formatting (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/ide0055)

Rename type name TodoItemCompletedEventHandler so that it does not end in 'EventHandler' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1711)

Rename type name TodoItemCreatedEventHandler so that it does not end in 'EventHandler' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1711)

Rename type name TodoItemDeletedEventHandler so that it does not end in 'EventHandler' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1711)