I've been told that I should add a json file to my project

omnisharp.json contain

{ "msbuild": { "useBundledOnly": true } }


The thing is that I don't know how to create the file and where to put it in the structure of all the files related to a project.


>>Hello all,
>>
>>I am beginning to learn C# with video classes.
>>
>>Weird thing happening. Some times (rarely) intelllisense kicks in. Then I'm allowed to add lines of code and then execute afterwards.
>>
>>I can't enter "Console.writeline" for example because intellisense doesn't show me the rest of what is available.
>>
>>So I entered the lines of code even if intellisense doesn't seem to be active thinking that the code should execute.
>>
>>When I try a "dotnet run" I have many errors. Of those errors there is one saying "Console" doesn't exist in the actual context.
>>
>>I have the Omnisharp extension installed.
>
>Does your code include:
>using System;
>?