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/EndToEnd/BlogTest.cs

@@ -1,6 +1,3 @@
-using Microsoft.AspNetCore.Hosting.Server.Features;
-using Microsoft.AspNetCore.Http.Features;
-
 namespace Blog.Tests.EndToEnd;
 
 [TestFixture]