added custom security group defiinition for custom works.

security/OPDK_CUSTOM.yml

diff --git a/security/OPDK_CUSTOM.yml b/security/OPDK_CUSTOM.yml
new file mode 100644
index 0000000..b1e340d
--- /dev/null
+++ b/security/OPDK_CUSTOM.yml
@@ -0,0 +1,45 @@
+---
+security_group: OPDK
+security_group_description: Default OPDK ports
+rules:
+  - proto: tcp
+    cidr_ip: 0.0.0.0/0
+    from_port: 80
+    to_port: 80
+  - proto: tcp
+    cidr_ip: 0.0.0.0/0
+    from_port: 9000
+    to_port: 9010
+  - proto: tcp
+    cidr_ip: 0.0.0.0/0
+    from_port: 8080
+    to_port: 8080
+  - proto: tcp
+    cidr_ip: 0.0.0.0/0
+    from_port: 22
+    to_port: 22
+  - proto: tcp
+    cidr_ip: 0.0.0.0/0
+    from_port: 443
+    to_port: 443
+  - proto: tcp
+    cidr_ip: 172.16.0.0/12
+    from_port: 0
+    to_port: 65535
+rules_egress:
+  - proto: tcp
+    cidr_ip: 0.0.0.0/0
+    from_port: 80
+    to_port: 80
+  - proto: tcp
+    cidr_ip: 172.16.0.0/12
+    from_port: 0
+    to_port: 65535
+  - proto: tcp
+    cidr_ip: 0.0.0.0/0
+    from_port: 443
+    to_port: 443
+  - proto: udp
+    cidr_ip: 0.0.0.0/0
+    from_port: 123
+    to_port: 123