E: [✗ Error] Missing API key
E:
E: The jekyll-algolia plugin could not find your API key.
W:
W: Please, define your API key either by:
W:
W: 1/ Defining an ENV variable when calling `jekyll algolia`
W:    $ ALGOLIA_API_KEY='{your_api_key}' jekyll algolia
W:
W: 2/ Save your API key in a named `_algolia_api_key` in your source directory.
W:    If you do this, we strongly recommend you to NOT track this file in your
W:    versionning system.
I:
I: You can find your API key in your Algolia dashboard here:
I:    https://www.algolia.com/licensing
I:
I: