Examine source code of Quick Prompt

{
  "manifest_version": 2,
  "name": "Quick Prompt",
  "description": "__MSG_appDescription__",
  "version": "2.0.2",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "default_locale": "en",
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1gIStuzmtlJx9myPcEdZVB6fN6HZ4RDB2FNbhhhd1Q8kopHP3uZioJmGAbZch13CNg4nwDLzkT/Iv+SuQ92r6wEYf14rwv0pyLvegLlTWcKvpG+XfJXMl0AT32Gj2tuOoMceEpNRXZzcPf2QTftX4Lm3Kzv3kmeaIzHps1ajkT18iagllKExzmiQVZjCw/t8NYcY5cdjKQRhQqDTDqv5HnVanucEWmDPMb+AlyHOqAYxDurSt/IX1C5TW/khkCU8Fahcnw50ppVgIVKT7OLtSKDDNlqbC4BWIFWu55S5UR/CZNEbyjDtxzLkfVTi8sov7ZOUCTjEvRwjNmwXbo8PZwIDAQAB",
  "permissions": [
    "storage",
    "contextMenus",
    "identity",
    "http://*/*",
    "https://*/*"
  ],
  "oauth2": {
    "client_id": "940842863904-8hg2b4m1uibp78327rj3s3gahddcvqno.apps.googleusercontent.com",
    "scopes": [
      "https://www.googleapis.com/auth/userinfo.email",
      "https://www.googleapis.com/auth/userinfo.profile"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "quick-prompt@example.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "commands": {
    "open-prompt-selector": {
      "suggested_key": {
        "default": "Ctrl+Shift+P",
        "mac": "Command+Shift+P"
      },
      "description": "__MSG_openPromptSelector__"
    },
    "save-selected-prompt": {
      "suggested_key": {
        "default": "Ctrl+Shift+S",
        "mac": "Command+Shift+S"
      },
      "description": "__MSG_saveSelectedPrompt__"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Quick Prompt - 快捷输入、管理您的提示词",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}