manifest.json

{
    "manifest_version": 3,
    "name": "AMC A-List Showtimes filterer",
    "description": "Filters showtimes on the AMC Theaters website if they're excluded from A-List",
    "author": "Raleigh Littles",
    "homepage_url": "https://github.com/raleighlittles/Chrome-AMC-AList-Filter",
    "version": "0.1",
    "content_scripts": [
      {
        "matches": [
          "https://www.amctheatres.com/movies/*",
          "https://www.amctheatres.com/movie-theatres/*"
        ],
        "js": ["content.js"],
        "run_at": "document_end"
      }
    ],
    "icons": { "48":  "icons/icon256.png",
              "128":  "icons/icon512.png"},
    "background": {
      "service_worker": "background.js"
    },
    "action": {},
    "permissions": [
      "activeTab",
      "tabs"
  ]
}