add typescript tutor (#7774)
* add typescript tutor * Update books/free-programming-books-id.md Co-authored-by: Biswadeep Purkayastha <98874428+metabiswadeep@users.noreply.github.com> Co-authored-by: Biswadeep Purkayastha <98874428+metabiswadeep@users.noreply.github.com>pull/7731/head^2
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