Examine source code of Bumble - Who likes me?

{
  "manifest_version": 2,
  "name": "Bumble Spy",
  "version": "2.0",
  "description": "Local extension that allows you to inspect network requests sent by Bumble from your own browser. No data is collected or transmitted.",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "notifications",
    "activeTab",
    "tabs",
    "https://gew3.bumble.com/*",
    "https://am1.bumble.com/*",
    "https://*.bumble.com/*",
    "https://bumble.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "https://bumble.com/*",
        "https://*.bumble.com/*",
        "https://gew3.bumble.com/*",
        "https://am1.bumble.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Bumble Spy"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "bumble-vote-tracker@example.com",
      "strict_min_version": "78.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}