feat: add site header (#2)

* tests: setup initial infra for end to end tests

* tests: rework end to end host

* tests: remove need for bang operator

* tests: correct header component tests

* docs: add README.md to blog directory with instructions on setting up local dev environment with and without docker

* docs: update non-developer run command

* feat: finish layout of header

* feat: add favicon

* tests: setup test coverage

* chore: update workflow with missing playwright step

* chore: add install command

test/Blog.Tests/EndToEnd/BlogTest.cs

@@ -0,0 +1,17 @@
+using Microsoft.AspNetCore.Hosting.Server.Features;
+using Microsoft.AspNetCore.Http.Features;
+
+namespace Blog.Tests.EndToEnd;
+
+[TestFixture]
+public class BlogTest : PageTest
+{
+  private readonly BlogHostFactory<Program> _factory = new();
+
+  public override BrowserNewContextOptions ContextOptions()
+  {
+    var options = base.ContextOptions();
+    options.BaseURL = _factory.ServerAddress;
+    return options;
+  }
+}