Add run on repl.it badge to README

[knightcw227]

This pull request adds a Run on Repl.it badge to the README. This will allow users to easily run this repository in their browser, without having to set up an environment. You can learn more about Repl.it here.

We've moved to ripmeapp/ripme!

Please consider opening your Pull Request there!

Category

This change is exactly one of the following (please change [ ] to [x]) to indicate which:

• [x] a bug fix -- which issue? #...
• [x] a new Ripper
• [x] a refactoring
• [x] a style change/fix

Description

Please add details about your change here.

Testing

Required verification:

• [x] I've verified that there are no regressions in mvn test (there are no new failures or errors).
• [x] I've verified that this change works as intended.
  • [x] Downloads all relevant content.
  • [x] Downloads content from multiple pages (as necessary or appropriate).
  • [x] Saves content at reasonable file names (e.g. page titles or content IDs) to help easily browse downloaded content.
• [x] I've verified that this change did not break existing functionality (especially in the Ripper I modified).

Optional but recommended:

• [x] I've added a unit test to cover my change.