Colorless for Microsoft Edge

manifest.json

{
  "name": "Colorless for Microsoft Edge",
  "version": "1.2.5.0",
  "author": "Hereafter",
  "manifest_version": 2,
  "browser_action": {
    "default_icon": {
      "20": "images/icons/icon_20.png",
      "40": "images/icons/icon_40.png"
    },
    "default_title": "__MSG_titleMicrosoftEdge__",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/platform.js",
        "js/browser.js",
        "js/decolorize.js"
      ],
      "run_at": "document_start"
    }
  ],
  "background": {
    "scripts": [
      "js/platform.js",
      "js/browser.js",
      "js/app.js",
      "js/background.js"
    ],
    "persistent": true
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "default_locale": "en",
  "description": "__MSG_description__",
  "permissions": [
    "*://*/*",
    "tabs",
    "contextMenus"
  ],
  "icons": {
    "16": "images/icons/icon_16.png",
    "32": "images/icons/icon_32.png",
    "48": "images/icons/icon_48.png",
    "128": "images/icons/icon_128.png"
  },
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}