Tutorial 3B: Set up bootstrap computation from scratch

          @misc{ scivideos_PIRSA:23040144,
            doi = {10.48660/23040144},
            url = {https://pirsa.org/23040144},
            author = {Su, Ning},
            keywords = {Quantum Fields and Strings},
            language = {en},
            title = {Tutorial 3B: Set up bootstrap computation from scratch},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2023},
            month = {apr},
            note = {PIRSA:23040144 see, \url{https://scivideos.org/index.php/pirsa/23040144}}
          }