Examine source code of SpeedyApply: Job Application

{
  "manifest_version": 2,
  "name": "SpeedyApply: Job Application",
  "description": "Applying to jobs just got easier. Automate job applications with a single click and track your progress over time.",
  "version": "2.13.0",
  "short_name": "SpeedyApply",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "author": "kirk@speedyapply.com",
  "homepage_url": "https://speedyapply.com",
  "permissions": [
    "storage",
    "tabs",
    "contextMenus",
    "sidePanel"
  ],
  "host_permissions": [
    "*://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_title": "SpeedyApply: Job Application Autofill Tool",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  },
  "side_panel": {
    "default_path": "sidepanel.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "all_frames": true,
      "run_at": "document_idle",
      "js": [
        "content-scripts/content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "content-scripts/content.css"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{522a15c4-a53f-4847-bccb-ba164367da82}"
    }
  }
}