Add support for json query validation + tests#401

prajwal-pai77 wants to merge 1 commit intoDA-388-FtsSupportCouchbase-Ecosystem/VSCode-Couchbase:DA-388-FtsSupportfrom

DA-392-Add-Search-Query-ValidationCouchbase-Ecosystem/VSCode-Couchbase:DA-392-Add-Search-Query-ValidationCopy head branch name to clipboard