Examine source code of Solvena

{
  "applications": {
    "gecko": {
      "id": "info@solvena.ai",
      "strict_min_version": "58.0"
    }
  },
  "background": {
    "scripts": [
      "my-background.js"
    ]
  },
  "manifest_version": 2,
  "name": "Solvena",
  "version": "0.3.5",
  "description": "A browser extension that checks violation of words!",
  "author": "Code Drops",
  "permissions": [
    "activeTab",
    "storage",
    "<all_urls>",
    "https://mail.proton.me/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content.js",
        "./html-css-js/js/axios.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "solvena.png",
    "default_popup": "html-css-js/popup.html",
    "default_title": "Solvena"
  },
  "icons": {
    "128": "solvena.png"
  }
}