Examine source code of RDF Browser

{
  "manifest_version": 2,
  "name": "RDF Browser",
  "author": "Kian Schmalenbach",
  "description": "Request RDF files and render RDF files as Turtle documents with clickable links",
  "homepage_url": "https://github.com/kianschmalenbach/rdf-browser",
  "version": "1.2.3",
  "icons": {
    "32": "build/img/rdf-browser-32.png",
    "64": "build/img/rdf-browser-64.png",
    "128": "build/img/rdf-browser-128.png",
    "512": "build/img/rdf-browser-512.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "rdf-browser@ti.rw.fau.de",
      "strict_min_version": "67.0"
    }
  },
  "background": {
    "scripts": [
      "build/main.js"
    ]
  },
  "options_ui": {
    "page": "build/view/options.html"
  },
  "page_action": {
    "browser_style": true,
    "default_icon": {
      "32": "build/img/icon32.svg"
    },
    "default_title": "RDF Browser",
    "default_popup": "build/view/popup.html"
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "32": "build/img/icon32.svg"
    },
    "default_title": "RDF Browser",
    "default_popup": "build/view/menu.html"
  },
  "permissions": [
    "storage",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>",
    "tabs",
    "webNavigation"
  ],
  "web_accessible_resources": [
    "build/view/template.html"
  ]
}