Examine source code of ShareX

{
  "manifest_version": 2,
  "name": "ShareX",
  "version": "2.1.0",
  "description": "Adds 'Upload with ShareX' button to image, video, audio and text selection context menu.",
  "author": "ShareX Team",
  "homepage_url": "https://getsharex.com",
  "icons": {
    "16": "Icons/ShareX-16.png",
    "48": "Icons/ShareX-48.png",
    "128": "Icons/ShareX-128.png"
  },
  "applications": {
    "gecko": {
      "id": "firefox@getsharex.com",
      "strict_min_version": "109.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "contextMenus",
    "nativeMessaging"
  ]
}