Examine source code of Linked And Focused

{
  "manifest_version": 2,
  "name": "Linked And Focused",
  "version": "0.1",
  "description": "Remove LinkedIn feed for a distraction free experience.",
  "homepage_url": "https://gitlab.com/chet-buddy/linked-and-focused",
  "icons": {
    "48": "icons/laf-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.linkedin.com/*"
      ],
      "js": [
        "content_script/hide_feed.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_action": {
    "default_icon": "icons/on.png",
    "default_title": "Linked & Focused"
  },
  "web_accessible_resources": [
    "icons/laf-48.png"
  ],
  "permissions": [
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c6198186-05fa-4545-9513-032b2bfd9b6e}"
    }
  }
}