Rewrite of Day 1 to use modern React (#294)

* update to hooks

* more class to function

* cleanup

* finish ts final

* update html lesson

* add lessons page

* clean up

* move getters into context

* adding type

* fix bug

* step 5 cleanup

* init final pass

* text tweak

* fix ternaries

* readme cleanup

* fixed root readme

step1-02/demo/index.html

@@ -114,7 +114,7 @@
   </div>
   <div>
     <h2>Our Logo</h2>
-    <img src="../../assets/fabric.jpg" width="100" alt="fabric logo" />
+    <img src="https://github.com/microsoft/frontend-bootcamp/blob/master/assets/fabric.jpg?raw=true" width="100" alt="fabric logo" />
   </div>
   <div>
     <h2>Contact Us</h2>