Merge add-security-sources: add sources.security package with PortAdminisitrator, PortStealth, PortKnockKnock skeletons

Co-authored-by: Copilot <[email protected]>

Author: mearvk

source/security/PortAdministrator.java

@@ -0,0 +1,15 @@
+package security;
+
+/**
+ * PortAdminisitrator - placeholder for port administration features.
+ * Implementation details to be discussed with the user.
+ */
+public class PortAdministrator
+{
+
+    public PortAdministrator() {
+        // constructor
+    }
+
+    // TODO: add administration methods (kept minimal until spec is provided)
+}

source/security/PortKnockKnock.java

@@ -0,0 +1,13 @@
+package security;
+
+/**
+ * PortKnockKnock - placeholder for port knocking functionality.
+ */
+public class PortKnockKnock {
+
+    public PortKnockKnock() {
+        // constructor
+    }
+
+    // TODO: implement port knocking logic
+}

source/security/PortStealth.java

@@ -0,0 +1,13 @@
+package security;
+
+/**
+ * PortStealth - placeholder for stealth operations related to ports.
+ */
+public class PortStealth {
+
+    public PortStealth() {
+        // constructor
+    }
+
+    // TODO: implement stealth behaviors
+}