Examine source code of Touhou_Patchouli Knowledge V2

{
  "theme": {
    "images": {
      "theme_frame": "Touhou-patchouli.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#40346b"
    }
  },
  "version": "2.0",
  "name": "Touhou_Patchouli Knowledge V2",
  "manifest_version": 2,
  "description": "Touhou project, scarlet devil mansion"
}