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/HomeTests.cs

@@ -0,0 +1,32 @@
+namespace Blog.Tests.EndToEnd;
+
+[TestFixture]
+public class HomeTests : BlogTest
+{
+  [Test]
+  public async Task Home_WhenNavigatedTo_ItShouldDisplayCorrectPageTitle()
+  {
+    await Page.GotoAsync("/");
+    var title = await Page.TitleAsync();
+    title.Should().Be("journal - A blog by Stevan Freeborn");
+  }
+
+  [Test]
+  public async Task Home_WhenNavigatedTo_ItShouldCorrectSiteTitle()
+  {
+    await Page.GotoAsync("/");
+    var message = Page.GetByRole(AriaRole.Heading, new () { Name = "journal" });
+    await Expect(message).ToBeVisibleAsync();
+  }
+
+  [Test]
+  public async Task Home_WhenNavigatedTo_ItShouldDisplayWrittenByAttribution()
+  {
+    await Page.GotoAsync("/");
+    var message = Page.GetByText("by");
+    var image = Page.GetByAltText("Stevan Freeborn");
+
+    await Expect(message).ToBeVisibleAsync();
+    await Expect(image).ToBeVisibleAsync();
+  }
+}