Move https://github.com/crytic/blockchain-security-contacts here (#349)

* Move https://github.com/crytic/blockchain-security-contacts here

Fix #305
Replace #339

* format

* WIP

* run format

* Remove dead links

Author: montyly

SUMMARY.md

@@ -170,3 +170,5 @@
     - [Exercise 2](./program-analysis/slither/exercise2.md)
     - [Exercise 3](./program-analysis/slither/exercise3.md)
 - [Resources](./resources/tob_blogposts.md)
+  - [Security contact](./resources/contact.md)
+  - [Blog posts](./resources/tob_blogposts.md)

resources/README.md

@@ -0,0 +1,6 @@
+# Ressources
+
+General ressources
+
+- [Security contact](./contact.md)
+- [Blog posts](./tob_blogposts.md)