Examine source code of Compass Sidebar

{
  "manifest_version": 2,
  "name": "Compass Sidebar",
  "version": "1.0.3resigned1",
  "icons": {
    "64": "ico.png"
  },
  "sidebar_action": {
    "default_title": "Compass",
    "default_icon": "ico.png",
    "default_panel": "compass.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.compass.education/*"
      ],
      "js": [
        "compass.js"
      ],
      "run_at": "document_end",
      "all_frames": true
    }
  ],
  "permissions": [
    "*://*.compass.education/*",
    "storage"
  ],
  "applications": {
    "gecko": {
      "id": "@Compass-sidebar",
      "strict_min_version": "55.0"
    }
  }
}