Examine source code of My Reading Mode

{
  "manifest_version": 2,
  "name": "__MSG_title__",
  "description": "__MSG_about__",
  "author": "TNK Software / Tanaka Yusuke",
  "homepage_url": "https://www.tnksoft.com/",
  "version": "1.0.3resigned1",
  "default_locale": "en",
  "icons": {
    "16": "res/icon16.png",
    "32": "res/icon32.png",
    "64": "res/icon64.png",
    "128": "res/icon128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "res/icon16.png",
      "32": "res/icon32.png",
      "64": "res/icon64.png",
      "128": "res/icon128.png"
    }
  },
  "options_page": "setting/index.htm",
  "background": {
    "persistent": true,
    "scripts": [
      "util.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "zepto.min.js",
        "util.js",
        "readingmode/before.js"
      ],
      "css": [],
      "run_at": "document_start",
      "all_frames": false
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "wizmode/select.js",
        "dialog/dialog.js"
      ],
      "css": [
        "wizmode/select.css",
        "dialog/dialog.css"
      ],
      "run_at": "document_idle",
      "all_frames": false
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "readingmode/filter.js",
        "readingmode/after.js"
      ],
      "css": [
        "readingmode/style.css"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ],
  "permissions": [
    "storage",
    "tabs",
    "contextMenus",
    "webRequest",
    "webRequestBlocking",
    "http://*/*",
    "https://*/*"
  ],
  "applications": {
    "gecko": {
      "id": "myreadingmode@tnksoft.com"
    }
  },
  "options_ui": {
    "page": "setting/index.htm",
    "open_in_tab": true
  }
}