Scratch Block Color Changer

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Scratch Block Color Changer",
  "description": "Scratch3.0 のブロックの色を変える",
  "version": "1.02",
  "icons": {
    "16": "icon/logo_16.png",
    "48": "icon/logo_48.png",
    "128": "icon/logo_128.png"
  },
  "content_scripts": [
    {
      "js": [
        "js/jquery-3.3.1.min.js",
        "js/background.js"
      ],
      "css": [
        "css/style.css"
      ],
      "matches": [
        "http://scratch.mit.edu/*",
        "https://scratch.mit.edu/*"
      ]
    }
  ],
  "action": {
    "default_icon": {
      "19": "icon/logo_19.png",
      "38": "icon/logo_38.png"
    },
    "default_title": "Scratch Block Color Changer"
  },
  "manifest_version": 3
}