post: add post about building the blog (#10)

* post: stub out initial post with outline

* fix: add title attribute to lead in feed and add disc to list styles in posts

* fix: apply style to artcile

* post: work on rough draft

* post: work on rough draft

* post: work on rought draft

* post: work on rought draft

* post: more work on rough draft

* post: finish post

* chore: cleanup usings

* chore: run dotnet format

* docs: testing README

* docs: update README.md

test/Blog.Tests/Unit/Feed.spec.razor

@@ -1,6 +1,7 @@
 @inherits Bunit.TestContext
 
-@code {
+@code 
+{
   private Mock<IPostService> _postServiceMock = new();
 
   [Test]

test/Blog.Tests/Unit/Footer.spec.razor

@@ -1,6 +1,7 @@
 @inherits Bunit.TestContext
 
-@code {
+@code 
+{
   [Test]
   public void Footer_WhenRendered_ItShouldRenderFooterWithNavLinks()
   {