repo: add an initial code of conduct

.github/CODE_OF_CONDUCT.md

@@ -0,0 +1,18 @@
+# Deskflow Code of Conduct
+
+## Our Pledge
+
+We want the Deskflow community to be one where everyone can work together. We pledge to keep our community focused on the project and the code around the project. 
+
+## Community Standards
+
+ * Keep interactions respectful and focused on the project
+ * Contributions are expected to follow the [contribution guide](https://github.com/deskflow/deskflow/wiki/Contributing).
+ 
+## Enforcement
+
+Enforcement will be done at the descression of the Deskflow Moderators.
+
+ 1. Warning
+ 2. Temporary ban
+ 3. Permanent banning