Memories (Flash, ROM and RAM)

You just add them as IP from the IP Catalog in Quartus. Parameterize them and instantiate them in your design. The Quartus User Guides are a good place to start: https://www.intel.com/content/www/us/en/support/programmable/support-resources/design-software/user-guides.html

And you can find tons of training at the training web site: https://learning.intel.com/developer/pages/128/intelr-fpga-training