fix: shape-of-types increased clarity (#317)

* Resolves #315 by adding clarifications to the notes section

* Update projects/classes/the-shape-of-types/README.md

* pnpm format --write

---------

Co-authored-by: Josh Goldberg ✨ <git@joshuakgoldberg.com>

Author: MadPigeon

projects/classes/the-shape-of-types/README.md

@@ -69,3 +69,5 @@ Two more exported classes must be exported that each extends `Horror`:
 ## Notes
 
 - You may add `#` private members to the classes as you wish, such as to store previously consumed opponents.
+- Record each opponent's name, evil, and power _at the moment you consume them_ — not a live reference
+- If a horror hasn't eaten yet, its power starts at 0