[FR] Add additional properties to the Recipe model and JSON-LD

[khalwat]

The following Recipe schema.org properties should be added:

recipeCategory
recipeCuisine
author
video
keywords

In addition, add the equipment needed for the Recipe as per #32 via the tool Recipe sub-property

[khalwat]

Added recipeCategory & recipeCuisine in: 238eac1

You can try it now by setting your semver in your composer.json to look like this:

    "nystudio107/craft-recipe": "dev-develop as 1.4.0”,

Then do a composer clear-cache && composer update

[khalwat]

Added a Recipe Video field that can be accessed via .getVideoUrl(): c899b27

You can try it now by setting your semver in your composer.json to look like this:

    "nystudio107/craft-recipe": "dev-develop as 1.4.0”,

Then do a composer clear-cache && composer update

[khalwat]

Added author and keywords fields: 918c140

You can try it now by setting your semver in your composer.json to look like this:

    "nystudio107/craft-recipe": "dev-develop as 1.4.0”,

Then do a composer clear-cache && composer update