most can be found on the forum or discord. some personal favourites accessible on vf:
515R Revision - Worlds Design: 515R Spin Up Notebook - VEX V5 General Discussion / VEX Robot Showcase - VEX Forum
8926W Wigglebots - Worlds Excellence: 8926W High Stakes Notebook - VEX V5 Robotics Competition / VRC - VEX Forum
5203G Gremlin: 5203G gremlin notebook link - VEX V5 Robotics Competition - VEX Forum
note that you should only use these for inspiration and as a starting point. the rubric should always be the most prioritised.
good luck !