Examine source code of Moderator toolbox for reddit

{
  "manifest_version": 2,
  "name": "Moderator toolbox for reddit",
  "author": "toolbox team",
  "short_name": "toolbox",
  "description": "A set of tools to be used by moderators on reddit in order to make their jobs easier.",
  "version": "6.1.25",
  "version_name": "6.1.25: \"Delaying Donkey\"",
  "browser_specific_settings": {
    "gecko": {
      "id": "yes@jetpack",
      "strict_min_version": "58.0"
    }
  },
  "permissions": [
    "https://*.reddit.com/",
    "https://old.reddit.com/",
    "https://oauth.reddit.com/",
    "https://mod.reddit.com/",
    "cookies",
    "tabs",
    "storage",
    "unlimitedStorage",
    "notifications",
    "webNavigation",
    "alarms"
  ],
  "icons": {
    "16": "data/images/icon16.png",
    "48": "data/images/icon48.png",
    "128": "data/images/icon128.png"
  },
  "background": {
    "scripts": [
      "data/background/index.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "run_at": "document_end",
      "all_frames": true,
      "matches": [
        "https://*.reddit.com/*"
      ],
      "exclude_matches": [
        "https://*.reddit.com/framedGild/*",
        "https://*.reddit.com/framedModal/*",
        "https://*.reddit.com/chat/*",
        "https://*.reddit.com/account/sso/*",
        "https://ads.reddit.com/*",
        "https://*.reddit.com/*.json",
        "https://*.reddit.com/*.json?*",
        "https://*.reddit.com/*.json-html",
        "https://*.reddit.com/*.json-html?*"
      ],
      "css": [
        "data/styles/toolbox.css",
        "data/styles/tbui.css",
        "data/styles/devtools.css",
        "data/styles/support.css",
        "data/styles/comment.css",
        "data/styles/old_comment.css",
        "data/styles/newmodmailpro.css",
        "data/styles/removalreasons.css",
        "data/styles/nukecomments.css",
        "data/styles/personalnotes.css",
        "data/styles/queuetools.css",
        "data/styles/old_queuetools.css",
        "data/styles/achievements.css",
        "data/styles/modbar.css",
        "data/styles/historybutton.css",
        "data/styles/notifier.css",
        "data/styles/usernotes.css",
        "data/styles/config.css",
        "data/styles/profile.css",
        "data/styles/macros.css",
        "data/styles/queue_overlay.css",
        "data/styles/modmatrix.css",
        "data/styles/modnotes.css",
        "data/styles/codemirror/codemirror.css",
        "data/styles/codemirror/dialog.css",
        "data/styles/codemirror/fullscreen.css",
        "data/styles/codemirror/matchesonscrollbar.css",
        "data/styles/codemirror/show-hint.css",
        "data/styles/codemirror/themes.css"
      ],
      "js": [
        "data/init.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "/data/styles/font/MaterialIcons-Regular.woff2",
    "/data/styles/font/MaterialIcons-Regular.woff",
    "/data/styles/font/MaterialIcons-Regular.ttf",
    "/data/images/balloon.png",
    "/data/images/snoo_up.png",
    "/data/images/snoo_splat.png",
    "/data/images/snoo_uh_oh.png",
    "/data/images/snoo_running.gif"
  ]
}