Update Readme based on latest makefile changes

Website is now part of make bake/all

ebook is around 20 MByte even in colour version so you can use kindle
app to download release to your phone.  For the full resolution version
you need to build yourself.

README.md

@@ -53,7 +53,7 @@ make
 ```
 
 If you want to 🍞 bake all the versions including ebook variants (.pdf, .epub
-in colour and size optimized Black&White), run:
+in colour and size optimized Black&White, as well as website), run:
 
 ```console
 cd book/
@@ -80,7 +80,7 @@ There's an additional enhanced accessibility version using a sans-serif font:
 * [Download compiled sans-serif .pdf version](https://www.the-bread-code.io/book-sans-serif.pdf)
 
 An additional black and white ebook is provided with a greatly reduced file
-size. This shrinks the book from more than 50MB down to ~5MB:
+size. This shrinks the book from more than 20MB down to ~5MB:
 
 * [Download compiled B&W .epub version](https://www.the-bread-code.io/bw-book.epub)