your global (a.k.a. user-level)
.gitignore. This is good practice as it
decreases the chance that you will accidentally leak credentials to GitHub.
git_vaccinate() also tries to detect and fix the situation where you have a
global gitignore file, but it's missing from your global Git config.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.