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

src/Blog/Components/App.razor

@@ -7,6 +7,7 @@
   <base href="/" />
   <link rel="stylesheet" href="app.css" />
   <link rel="stylesheet" href="Blog.styles.css" />
+  <link rel="shortcut icon" href="favicon.ico" type="image/x-icon">
   <HeadOutlet @rendermode="InteractiveServer" />
 </head>