Add CoC and fix License link in README

Author: shushugah

README.md

@@ -1,7 +1,10 @@
 # Shared Resources
 Any static content like images, zines, printables should be shared here for easy access
 
+## Code of Conduct
+
+All activities are covered under the [TWC Community Code of Conduct](https://techworkerscoalition.org/community-guide/#our-values).
 
 ## License
 
-All content is by default [Creative Commons 4.0](LICENSE.md) unless otherwise specified
+All content is by default [Creative Commons 4.0](LICENSE) unless otherwise specified