Examine source code of Mokum Comment Filter

{
  "manifest_version": 2,
  "name": "Mokum Comment Filter",
  "version": "0.1.8",
  "description": "Hide comments from selected users or display names on mokum.place.",
  "permissions": [
    "storage",
    "https://mokum.place/*",
    "https://www.mokum.place/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_title": "Mokum Comment Filter",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "mokum-comment-filter@vadikas",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://mokum.place/*",
        "https://www.mokum.place/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "options_page": "options.html"
}