Examine source code of Toggl Plan: Project Planning Calendar

{
  "name": "Toggl Plan: Project Planning Calendar",
  "version": "3.2.1",
  "manifest_version": 2,
  "author": "Toggl <support@toggl.com>",
  "description": "Add tasks directly into Toggl Plan from your favourite web tools",
  "short_name": "Toggl Plan",
  "icons": {
    "80": "images/icon_80.png"
  },
  "permissions": [
    "storage",
    "contextMenus",
    "identity",
    "*://*.toggl.com/*",
    "*://*.toggl.space/*"
  ],
  "optional_permissions": [
    "tabs",
    "webNavigation"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.github.com/*"
      ],
      "js": [
        "github.js"
      ],
      "css": [
        "github.css"
      ]
    },
    {
      "matches": [
        "https://*.trello.com/*"
      ],
      "js": [
        "trello.js"
      ],
      "css": [
        "trello.css"
      ]
    },
    {
      "matches": [
        "https://*.gitlab.com/*"
      ],
      "js": [
        "gitlab.js"
      ],
      "css": [
        "gitlab.css"
      ]
    },
    {
      "matches": [
        "https://*.atlassian.com/*",
        "https://*.atlassian.net/*",
        "https://*.jira.com/*"
      ],
      "js": [
        "jira.js"
      ],
      "css": [
        "jira.css"
      ]
    },
    {
      "matches": [
        "https://*.bitbucket.org/*"
      ],
      "js": [
        "bitbucket.js"
      ],
      "css": [
        "bitbucket.css"
      ]
    },
    {
      "matches": [
        "https://*.podio.com/*"
      ],
      "js": [
        "podio.js"
      ],
      "css": [
        "podio.css"
      ]
    },
    {
      "matches": [
        "https://*.asana.com/*"
      ],
      "js": [
        "asana.js"
      ],
      "css": [
        "asana.css"
      ]
    },
    {
      "matches": [
        "https://calendar.google.com/calendar/*"
      ],
      "js": [
        "gcalendar.js"
      ],
      "css": [
        "gcalendar.css"
      ]
    },
    {
      "matches": [
        "https://*.bitrix24.com/*"
      ],
      "js": [
        "bitrix24.js"
      ],
      "css": [
        "bitrix24.css"
      ]
    },
    {
      "matches": [
        "https://*.fuseboardapp.com/*"
      ],
      "js": [
        "fuseboardapp.js"
      ],
      "css": [
        "fuseboardapp.css"
      ]
    },
    {
      "matches": [
        "https://*.tickspot.com/*"
      ],
      "js": [
        "tick.js"
      ],
      "css": [
        "tick.css"
      ]
    },
    {
      "matches": [
        "https://*.zendesk.com/*"
      ],
      "js": [
        "zendesk.js"
      ],
      "css": [
        "zendesk.css"
      ]
    },
    {
      "matches": [
        "https://*.sentry.io/organizations/*/issues/*"
      ],
      "js": [
        "sentry.js"
      ],
      "css": [
        "sentry.css"
      ]
    }
  ],
  "web_accessible_resources": [
    "*.css",
    "fonts/*"
  ],
  "minimum_chrome_version": "35",
  "options_ui": {
    "page": "options.html",
    "chrome_style": true
  },
  "background": {
    "page": "background.html"
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "browser_action": {
    "default_icon": {
      "20": "images/icon_20.png",
      "40": "images/icon_40.png",
      "60": "images/icon_60.png",
      "80": "images/icon_80.png"
    },
    "default_title": "Toggl Plan"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c63252f9-ae80-41ea-a047-ec8711d08bbc}"
    }
  }
}