Examine source code of DFeedbackPlus

{
  "content_scripts": [
    {
      "js": [
        "inject/copy-id.js",
        "inject/copy-link.js"
      ],
      "matches": [
        "https://support.discordapp.com/hc/*/community/*"
      ]
    },
    {
      "js": [
        "inject/base64-lite.js",
        "inject/search-results.js"
      ],
      "matches": [
        "https://support.discordapp.com/hc/*/search*"
      ]
    }
  ],
  "description": "Helper for Discord Feedback",
  "manifest_version": 2,
  "name": "DFeedbackPlus",
  "permissions": [
    "https://support.discordapp.com/hc/*",
    "clipboardWrite"
  ],
  "version": "0.4.1resigned1",
  "icons": {
    "128": "icons/mbdwi.png"
  },
  "page_action": {
    "default_popup": "popup/index.html",
    "default_icon": {
      "128": "icons/mbdwi.png"
    },
    "show_matches": [
      "https://support.discordapp.com/hc/*/community/*",
      "https://support.discordapp.com/hc/*/search*"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{bebccb51-b4a8-40b9-abea-9909108694e7}"
    }
  }
}