Examine source code of Life Science Dictionary Tool

{
  "manifest_version": 2,
  "applications": {
    "gecko": {
      "id": "lsdtool@lsdtools.org"
    }
  },
  "name": "Life Science Dictionary Tool WebExtension",
  "version": "0.1.2018.50127resigned1",
  "description": "Mouseover dictionary that can translate vast numbers of life science terms.",
  "developer": {
    "name": "LIFE SCIENCE DICTIONARY PROJECT and BITS",
    "url": "http://www.lsdtools.org/"
  },
  "icons": {
    "16": "icons/icon_16.png",
    "24": "icons/icon_24.png",
    "32": "icons/icon_32.png"
  },
  "background": {
    "scripts": [
      "jquery-3.2.1.min.js",
      "dic/dicEn_1.js",
      "dic/dicEn_2.js",
      "dic/dicEn_3.js",
      "dic/dicEn_4.js",
      "dic/dicEn2Jp_1.js",
      "dic/dicEn2Jp_2.js",
      "dic/dicEn2Jp_3.js",
      "dic/dicEn2Jp_4.js",
      "dic/dicInfoAry_1.js",
      "dic/dicInfoAry_2.js",
      "dic/dicInfoAry_3.js",
      "dic/dicInfoAry_4.js",
      "dic/dicJp_1.js",
      "dic/dicJp_2.js",
      "dic/dicJpYomi_1.js",
      "dic/dicJpYomi_2.js",
      "dic/dicJpYomi_3.js",
      "dic/dicEnRefer.js",
      "dic/dicEnSentence.js",
      "dic/dicEnThesaurus.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "lsdtool.css"
      ],
      "js": [
        "dicKeys.js",
        "lsdtool.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/icon_16.png"
    }
  },
  "web_accessible_resources": [
    "images/liquid.png",
    "images/img_title_right",
    "images/img_title_center",
    "images/img_title_left",
    "images/ico_ping_on.png",
    "images/ico_ping_off.png",
    "images/ico_win_on.png",
    "images/ico_win_off.png"
  ]
}