add IPv6 ULA generators

generate-ula48.py

@@ -0,0 +1,17 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*-
+
+# Required parameters:
+# @raycast.schemaVersion 1
+# @raycast.title Generate RFC 4193 ULA Locally Assigned Address Block /48
+# @raycast.mode silent
+# @raycast.packageName Developer Utilities
+
+# Optional parameters:
+# @raycast.icon 💻
+
+import os, binascii, subprocess
+prefix = "fd" + binascii.b2a_hex( os.urandom( 5 ) ).decode( "utf-8" )
+prefix = prefix[ 0:4 ] + ":" + prefix[ 4:8 ] + ":" + prefix[ 8:12 ] + "::/48"
+subprocess.run( [ "/usr/bin/pbcopy" ], input = prefix.encode( "utf-8" ) )
+print( prefix )