Update from my branch (#82)

* Update initialization.md

* Add footnote softening the use of "wrong"

Co-Authored-By: Ken Fogel <[email protected]>

* Explain backslash and forward slash

Co-Authored-By: Dain LaRock <[email protected]>

* Resolve #54

* Use IO.readln

* Add OffsetDateTime chapter

* Chapter on Date

* Switch and recursion

* Loops III

* Checkpoint

* More reflection

* checkpoint

* Numerics

* IO println

* Checkpoint

* Update other prints

* ..

* Remove junk files

---------

Co-authored-by: Ken Fogel <[email protected]>
Co-authored-by: Dain LaRock <[email protected]>

Author: 3 people

README.md

@@ -55,3 +55,11 @@ first time submitting a PR to an open-source project.
 
 Head over to the [Wiki](https://github.com/Together-Java/ModernJava/wiki) as general
 entry point to the project. It provides lots of tutorials, documentation and other information.
+
+To run this locally you will need `mdbook`. The instructions for doing so are [here](https://rust-lang.github.io/mdBook/guide/installation.html).
+
+Then just run the following.
+
+```
+mdbook serve
+```