Added reading-list

See https://github.com/ipfs/community/issues/164

License: MIT
Signed-off-by: Richard Littauer <richard.littauer@gmail.com>

README.md

@@ -218,6 +218,7 @@ We have a status board that checks all IPFS repositories for CI, Readmes, test c
 * [papers](https://github.com/ipfs/papers) - Academic papers on IPFS.
 * [specs](https://github.com/ipfs/specs) - Specifications on the IPFS protocol.
 * [notes](https://github.com/ipfs/notes) - Various relevant notes and discussions (that do not fit elsewhere).
+* [reading-list](https://github.com/ipfs/reading-list) - Papers to read to understand IPFS.
 
 #### Discussions