adding Stewiecoin token

[HerbyBob]

In order to streamline the review of the contribution we ask you
to ensure the following steps have been taken:

1. Create a folder under /tokens, the folder name is your token symbol in the lowercase format

2. Upload your logo in your folder

• Filename in the uppercase format with suffix
• Image format: png
• Image size: 256 by 256 px

3. Upload a json file for additional info. File name is your token symbol in the uppercase format with suffix

• asset must be your token's symbol
• assetMap must be your token's symbol without suffix
• market must be ALTS or FIAT. It determines which market the pair will be listed in when this token is the quote symbol.
• display's default value is true, which means the information will be available in the explorer

The following contacts are supported in contact:

• Twitter
• Facebook
• Reddit
• Instagram
• Medium
• Steemit
• Coinmarketcap
• Binance Info
• Youtube
• Telegram
• Discord
• Linkedin
• Github
• Binance Research

Note: you must use the right key name

Example:

{
    "asset":"Stewiecoin",
    "assetMap":"STEW",
    "market": "cryptocurrency",
    "officialSiteUrl":"https://stewiecoin.github.io/",
    "contactEmail":"[email protected]",
    "display":true,
    "contact":{
        "Telegram":"https://t.me/StewieCoin",
        "Reddit":"",
        "Medium":"",
        "Youtube":"",
        "Twitter":"https://twitter.com/Stewiecoin",
        "Facebook":"https://www.facebook.com/Stewiecoin"
    }
}