manifest.json

{
  "manifest_version": 3,
  "name": "github-a11y",
  "description": "This extension helps increase accessibility mindfulness while using GitHub",
  "devtools_page": "./devtools-feedback/devtools.html",
  "version": "0.6",
  "content_scripts": [
    {
      "matches": ["https://*.github.com/*", "https://github.com/*"],
      "css": ["styles.css"],
      "js": ["contentScript.js"]
    },
    {
      "matches": ["https://*.github.com/*", "https://github.com/*"],
      "css": ["./devtools-feedback/contentScriptStyles.css"],
      "js": ["./devtools-feedback/contentScript.js"]
    }
  ],
  "background": {
    "service_worker": "background.js"
  },
  "permissions": ["tabs", "webNavigation"],
  "host_permissions": ["*://*.github.com/*", "*://github.com/*"],
  "web_accessible_resources": [
    {
      "resources": ["src/*"],
      "matches": ["<all_urls>"]
    }
  ]
}