[metadata] support HDoujin Downloader `info.json`

[t-etra]

Describe your suggested feature

like this info.json from HDoujin Downloader, don't let you irritate with it's name, (i think its the best to download+metadata

{
  "manga_info": {
    "title": "Beast Tamer",
    "original_title": "",
    "author": [
      "Suzu Miyama"
    ],
    "artist": [],
    "circle": [],
    "scanlator": [],
    "translator": [],
    "publisher": "",
    "description": "Because Rein was a weak and simple beast tamer, he was expelled from the hero's group but that didn't stop his desire to be an adventurer. By taking simple quests afterwards he has a destined encounter with a strong cat girl. \r\n \r\n**Link :** \r\n- [WN Raw](https://ncode.syosetu.com/n8810eu/)",
    "status": "Ongoing",
    "chapters": 114,
    "pages": null,
    "tags": {
      "misc": [
        "Action",
        "Adaptation",
        "Adventure",
        "Comedy",
        "Fantasy",
        "Harem",
        "Romance",
        "Slice Of Life"
      ]
    },
    "type": "Manga",
    "language": [],
    "released": "2019",
    "characters": [],
    "series": "",
    "parody": [],
    "url": "https://mangadex.org/title/d0c60a11-0106-45cf-abfc-d131cb49868f/beast-tamer"
  }
}

Other details

i suggest it because the formatting from comicinfo.xml is bad from some pages where it double crawl author in all of Writer/Letterer/CoverArtist/Editor/Inker.

Acknowledgements

• [X] I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open issue.
• [X] I have written a short but informative title.
• [X] I have updated the app to the latest version.
• [X] I will fill out all of the requested information in this form.

[gotson]

i suggest it because the formatting from comicinfo.xml is bad from some pages where it double crawl author in all of Writer/Letterer/CoverArtist/Editor/Inker.

Not sure to understand that bit. It's not a ComifInfo.xml issue, but most likely the tool generating it not doing it properly.