Rename library folder to parallax.js

composer package is "drupal-composer/drupal-project"

we decided to go for the git version:

        {
            "type": "package",
            "package": {
                "name": "pixelcog/parallax.js",
                "version": "dev-*",
                "type": "drupal-library",
                "source": {
                    "url": "https://github.com/pixelcog/parallax.js",
                    "type": "git",
                    "reference": "origin/master"
                }
            }
        },

however, the provided patch makes sense either way, as the parallax project is named "pixelcog/parallax.js" officially. Thus it would be wise to stick to that wording - other than renaming the library as proposed in the README.md. If you wish, I could provide the patch including the updated README.md (replacing the lines using "pixelcog/parallax-js" with "pixelcog/parallax.js")

hth,
attisan