Updating the README!

README.md

@@ -17,6 +17,7 @@ My name is Maarten Balliauw ([@maartenballiauw](https://twitter.com/maartenballi
 
 #### 📙 Recent blog posts
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+* [Talk - Bringing C# nullability into existing code](https:&#x2F;&#x2F;blog.maartenballiauw.be&#x2F;talk&#x2F;2024&#x2F;01&#x2F;21&#x2F;bringing-csharp-nullability-into-existing-code.html)
 * [Test-Driving Windows 11 Dev Drive for .NET](https:&#x2F;&#x2F;blog.maartenballiauw.be&#x2F;post&#x2F;2023&#x2F;11&#x2F;22&#x2F;test-driving-windows-11-dev-drive-for-dotnet.html)
 * [Provide opt-in to experimental APIs using C#12 ExperimentalAttribute](https:&#x2F;&#x2F;blog.maartenballiauw.be&#x2F;post&#x2F;2023&#x2F;11&#x2F;08&#x2F;opt-in-to-experimental-apis-using-csharp-12-experimentalattribute.html)
 * [Discriminated Unions in C#](https:&#x2F;&#x2F;blog.maartenballiauw.be&#x2F;post&#x2F;2023&#x2F;09&#x2F;18&#x2F;discriminated-unions-in-csharp.html)
@@ -26,7 +27,6 @@ My name is Maarten Balliauw ([@maartenballiauw](https://twitter.com/maartenballi
 * [Rate limiting in web applications - Concepts and approaches](https:&#x2F;&#x2F;blog.maartenballiauw.be&#x2F;post&#x2F;2022&#x2F;10&#x2F;03&#x2F;rate-limiting-web-applications-concepts-approaches.html)
 * [ASP.NET Core rate limiting middleware in .NET 7](https:&#x2F;&#x2F;blog.maartenballiauw.be&#x2F;post&#x2F;2022&#x2F;09&#x2F;26&#x2F;aspnet-core-rate-limiting-middleware.html)
 * [How to test ASP.NET Core Minimal APIs](https:&#x2F;&#x2F;blog.maartenballiauw.be&#x2F;post&#x2F;2022&#x2F;06&#x2F;07&#x2F;how-test-aspnetcore-minimal-apis.html)
-* [Techniques and tools to update your C# project - Migrating to nullable reference types - Part 4](https:&#x2F;&#x2F;blog.maartenballiauw.be&#x2F;post&#x2F;2022&#x2F;05&#x2F;03&#x2F;techniques-and-tools-to-update-your-csharp-project-migrating-to-nullable-reference-types-part-4.html)
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 #### ❓ Quick bits