add changelog in readme

README.md

@@ -1,13 +1,13 @@
 # README
 These are the files for the book [Learn to Code with Baseball](https://codebaseball.com).
 
-If you're not familiar with Git or GitHub, no problem. Just click on the green
-`Code` button and select `Download ZIP`. This will download a file called
-`ltcwbb-files-main.zip`.
+If you're not familiar with Git or GitHub, no problem. Just click the `Source
+code` link under the latest release to download the files.  This will download
+a file called `ltcwbb-files-vX.X.X.zip`, where X.X.X is the latest version.
 
-When you unzip these (note I've dropped the `-main` and renamed the directory
-just `ltcwbb-files`, which you can do too) you'll see four sub-directories:
-`code`, `data`, `anki`, `solutions-to-excercises`.
+When you unzip these (note in the book I've dropped the version number and
+renamed the directory just `ltcwbb-files`, which you can do too) you'll see
+four sub-directories: `code`, `data`, `anki`, `solutions-to-excercises`.
 
 You don't have to do anything with these right now except know where you put
 them. For example, on my mac, I have them in my home directory:
@@ -19,3 +19,7 @@ If I were using Windows, it might look like this:
 `C:\Users\nathanbraun\ltcwbb-files`
 
 Set these aside for now and we'll pick them up in chapter 2.
+
+## Changelog
+### v0.3.0
+Add this changelog, bundle files in an github release vs including with SendOwl.