added docs for SELinux policy file

docs/selinux.md

@@ -0,0 +1,16 @@
+# For hosts that use SELinux
+
+Try this [policy file](docker-openvpn.te)
+
+Run these commands to compile and load it:
+
+```
+checkmodule -M -m -o docker-openvpn.mod docker-openvpn.te
+semodule_package -o docker-openvpn.pp -m docker-openvpn.mod
+sudo semodule -i docker-openvpn.pp
+```
+
+# Still having issues?
+
+In January 2016, Fedora bases systems got an update that fixed an issue for labeling namespaced net objects under /proc
+to fix, make sure that you have run `sudo dnf update` and you need to reboot to load the new policies