More "autoClosingPairs" and "autoCloseBefore" in language-configuration.json

[Myriad-Dreamin]

• Autocomplete a close pair on enter /* or `.
• Auto close pairs before more marks, borrowed from rust-analyzer

{
    "autoClosingPairs": [
        { "open": "/*", "close": " */" },
        {
            "open": "`",
            "close": "`",
            "notIn": ["string"]
        }
    ],
    // changed from "autoCloseBefore": "$ \n\t",
    "autoCloseBefore": ";:.,=}])>$ \n\t",
}