Examine source code of Akita

{
  "name": "Akita",
  "version": "1.1.1",
  "manifest_version": 2,
  "description": "Insight into your engagement with Web Monetization",
  "icons": {
    "16": "assets/icons/icon_16x16.png",
    "48": "assets/icons/icon_48x48.png",
    "128": "assets/icons/icon_128x128.png"
  },
  "permissions": [
    "storage",
    "https://*/*"
  ],
  "background": {
    "scripts": [
      "src/background_script.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "src/data/WebMonetizationAsset.js",
        "src/data/AkitaPaymentPointerData.js",
        "src/data/AkitaOriginVisitData.js",
        "src/data/AkitaOriginData.js",
        "src/data/AkitaOriginStats.js",
        "src/data/storage.js",
        "src/content_scripts/content_general.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "src/content_scripts/content_origin.js"
      ]
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "src/content_scripts/content_iframe.js"
      ],
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    "src/page_inject_script.js"
  ],
  "browser_action": {
    "default_icon": "assets/icons/icon_unmonetized.png",
    "default_popup": "src/popup/popup.html",
    "default_title": "Akita"
  }
}