manifest.json

{
  "name": "Discord System-Wide PTT",
  "version": "0.4",
  "description": "Push-to-talk from anywhere with the Discord web client.",
  "manifest_version": 2,

  "icons": {
    "16": "brw_ptt_16.png",
    "32": "brw_ptt_32.png",
    "48": "brw_ptt_48.png",
    "128": "brw_ptt_128.png"
  },

  "browser_specific_settings": {
    "gecko": {
      "id": "discord_web_sys_ptt@darkimmortal.com",
      "strict_min_version": "50.0"
    }
  },

  "browser_action": {
    "default_title": "Discord System-Wide PTT",
    "default_icon": {
      "16": "brw_ptt_16.png",
      "32": "brw_ptt_32.png",
      "48": "brw_ptt_48.png",
      "128": "brw_ptt_128.png"
    }
  },

  "background": {
    "scripts": ["background.js"]
  },

  "content_scripts": [{
    "matches": [
      "https://discordapp.com/*",
      "https://discord.com/*"
    ],
    "run_at": "document_start",
    "js": ["content.js"]
  }],

  "permissions": ["storage", "nativeMessaging"]
}