🐛 bug report

Description of the problem. How has this issue affected you? What are you trying to accomplish?

I tried to use react component like react-window in preact sandox which works perfectly fine locally but is not working in codesandbox.

Link to sandbox: preact-template-compat-issue

Root cause

Preact tr

Describe the solution you'd like
When lessons and courses are linked to, we currently use their description. This is very long and gets cut off on social media platforms like Facebook, LinkedIn, and Twitter. We should have a "summary" that describes, in 110 characters or less, what the course or lesson is about.

Describe alternatives you've considered
We already have this wired up for

I'd like to use this in MDX in a Next.js project, but I guess the API of this plugin conforms to a Gatsby Remark plugin, and not a vanilla Remark plugin (eg. remark-emoji).

Do you know how it would be possible to create a vanilla Remark plugin out of this?

With the loss of the ability to point to a testing file in #51 , we should have all repos point to a human-readable README file (with instructions on where to begin) if they cannot immediately start coding. We need to do this for our Array Methods, Data Types, Functions and Scopes, and Promises courses, but the courses on React Hooks and Testing already have descriptive "starting" points where thi

Getting this error while trying to build XState docs:

(undefined) ./docs/examples/todomvc.md
Module build failed (from ./node_modules/vuepress/lib/webpack/markdownLoader.js):
Error: Server responded to https://codesandbox.io/api/v1/sandboxes/define?json=1 with status code 422:
{"errors":{"detail":["Could not find package.json"]}}
    at Response.getBody (/Users/davidkpiano/Code/xstate