Interest Calculator with affiliate

manifest.json

{
  "manifest_version": 2,
  "homepage_url": "https://cartitem.wordpress.com/",
  "name": "Interest Calculator",
  "short_name": "Rate of Interest Calculator with affiliate",
  "description": "You can Calculate simple and compound interest with affiliate",
  "default_locale": "en",
  "version": "0.0.0.7",
  "browser_action": {
    "default_icon": {
      "19": "images/image19.png",
      "38": "images/image38.png"
    },
    "default_title": "__MSG_browsertitle__",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "images/image16.png",
    "48": "images/image48.png",
    "128": "images/image128.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "storage",
    "management",
    "*://*/*"
  ],
  "background": {
    "scripts": [
      "js/zama.js",
      "js/maebifni.js",
      "js/tramlaw.js",
      "js/pilf.js",
      "js/pans.js",
      "js/raen.js",
      "js/bgib.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.flipkart.com/*"
      ],
      "js": [
        "js/content.js"
      ]
    }
  ]
}