refactor(starter): upgrade and move to typescript

src/components/Post/Content/__snapshots__/Content.test.tsx.snap

@@ -1,19 +1,14 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`Content renders correctly 1`] = `
-<div
-  className="content"
->
-  <h1
-    className="content__title"
-  >
-    test
+<div>
+  <h1>
+    Perfecting the Art of Perfection
   </h1>
   <div
-    className="content__body"
     dangerouslySetInnerHTML={
       Object {
-        "__html": "<p>test</p>",
+        "__html": "<p>An Essay on Typography by Eric Gill takes the reader back to the year 1930. The year when a conflict between two worlds came to its term. The machines of the industrial world finally took over the handicrafts.</p>",
       }
     }
   />