added sub projects

CesarCypher/README.md

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+# Create cesar cypher wheel
+
+## Giant weel for demoing
+1x1m piece of wood, circular pice from recycled cable drum. Print sheets to glue on.
+Drum rotates on steel shaft with ball bearings.
+Add magnets so it springs into one of 26 positions.
+
+## Small wheel for people to build themselves and take home
+One sheet of carboard paper with photocopy and a brass fasterner.
+Cut out the circle, make holes, put fasterer in. Done.
+
+## cesar cypher bruteforcer
+A drum with multiple A-Z strips wrapped around. Put in the crypted message, Try to find a
+readable message somewhere on the drum (dictionary attack).
+

PublicSecretCrypto/README.md

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+# Build a mechanical representaiton of encryption and signing via public/secret key systems
+
+Inspired from https://blog.vrypan.net/2013/08/28/public-key-cryptography-for-non-geeks/
+create a lock with 2 keys of which one can only unlock and the other can only lock
+
+Either the lock in in a box and allows to open it, or the design is like a padlock and allows to lock/sign any item
+
+Prototype is done and people are amazed. This sounds good.
+