added firewall strategy pattern

src/firewall/raw.py

@@ -0,0 +1,20 @@
+from typing_extensions import override
+from firewall.fwtype import FWType
+
+class Raw(FWType):
+
+    @override
+    def getBanlist(self,ips) -> str:
+        """
+        Generate raw list of bad IP addresses.
+
+        Args:
+            ips: List of IP addresses to ban
+
+        Returns:
+            String containing raw ips, one per line
+        """
+        if not ips:
+            return ""
+
+        return "\n".join(ips)