manifest.json

{
  "manifest_version": 3,
  "name": "Discogs Grail Finder",
  "version": "1.0",
  "description": "A browser extension for vinyl collectors that filters Discogs seller listings by condition, price, rating, and want/have ratio. Speed up your vinyl digging by instantly finding the best records.",
  "icons": {
    "16": "logos/discogs_grail_16.png",
    "48": "logos/discogs_grail_48.png",
    "128": "logos/discogs_grail_128.png"
  },
  "permissions": ["activeTab", "scripting"],
  "action": {
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": ["*://www.discogs.com/seller/*"],
      "js": ["contentScript.js"],
      "css": ["styles.css"]
    }
  ]
}