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backlog.md

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+## Task Backlog
+- Yoneda embedding is free cocompletion
+- Ends and Coends
+- Stone Duality
+- Kan Extensions
+
 ## Reading Stack Backlog
 - [Marx, Engels and the Abolition of the Family](https://www.csustan.edu/sites/default/files/History/Faculty/Weikart/Marx-Engels-and-the-Abolition-of-the-Family.pdf) *(added 5/3/2023)*
 - [Cryptography](https://en.wikipedia.org/wiki/Cryptography) *(added 5/3/2023)*