chore: add ci workflow

[philjhale]

Description

• Added CI workflow based on this template. I've updated some package versions where it was complaining about deprecated Node.js 12 actions.
• Updated package-lock.json as it was out of date.

[gkatsev]

What about using the ci template from https://github.com/videojs/.github/blob/main/workflow-templates/ci.yml?

[misteroneill]

Gary makes a good point though!

[philjhale]

What about using the ci template from https://github.com/videojs/.github/blob/main/workflow-templates/ci.yml?

Thanks. I looked at that workflow but wasn't sure if we needed all those steps for a plugin. If we do, it's no problem, I'll update the workflow.

I have a few questions, just for my understanding:

• Does the videojs workflow run tests on Browserstack rather than locally? If so are the secrets available for all videojs repos? E.g. BROWSER_STACK_USERNAME.
• Are the ffmpeg/pulseaudio steps required for this repo?
• Why does the template use npm i --prefer-offline --no-audit rather than npm ci? My understanding was that npm ci was designed for use in CI.

Thanks!

[gkatsev]

Yup, the browserstack credentials are available at the org level. The ffmpeg step may not be stricly necessary, but keeping the action the same across repos is definitely helpful. I'm not sure exactly why it isn't npm ci. My guess is that it might end up being faster due to the caching compared to using npm ci.

[philjhale]

I've updated the workflow based on the video.js template. Interestingly, the CI action hasn't executed. I'm not sure why 🤔