Messenger Markdown

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Messenger Markdown",
  "description": "Formatting abilities for Facebook Messenger",
  "version": "0.54",
  "options_page": "options.html",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "credits.html"
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.facebook.com/*",
        "https://www.messenger.com/*"
      ],
      "js": [
        "jQuery.min.js",
        "replacer.js"
      ],
      "css": [
        "replacement_styles.css"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  }
}