Examine source code of Steam Tiny Enhancements

{
  "manifest_version": 2,
  "name": "Steam Tiny Enhancements",
  "description": "Includes tiny enhancements to Steam Website.",
  "version": "1.0.0",
  "short_name": "STE",
  "author": "moony aka Danila Kononov",
  "developer": {
    "name": "moony aka Danila Kononov",
    "url": "https://github.com/i-Moony/steam-tiny-enhancements/"
  },
  "icons": {
    "16": "static/STE_SEMI_TRANSPARENT_16.png",
    "32": "static/STE_SEMI_TRANSPARENT_32.png",
    "48": "static/STE_SEMI_TRANSPARENT_48.png",
    "64": "static/STE_SEMI_TRANSPARENT_64.png",
    "96": "static/STE_SEMI_TRANSPARENT_96.png",
    "128": "static/STE_SEMI_TRANSPARENT_128.png",
    "256": "static/STE_SEMI_TRANSPARENT_256.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "steam-tiny-enhancements@moony.lol",
      "strict_min_version": "96.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.steamcommunity.com/market/search*"
      ],
      "js": [
        "src/market.js"
      ],
      "css": [
        "src/market.css"
      ],
      "run_at": "document_idle",
      "all_frames": false,
      "match_about_blank": false
    },
    {
      "matches": [
        "https://*.steamcommunity.com/id/*/inventory/*"
      ],
      "js": [
        "src/inventory.js"
      ],
      "run_at": "document_idle",
      "all_frames": false,
      "match_about_blank": false
    }
  ]
}