Adds luakit-adblock-update

diff --git a/luakit-adblock-update b/luakit-adblock-update
new file mode 120000 (symlink)
index 0000000..42263c4
--- /dev/null
+++ b/luakit-adblock-update
@@ -0,0 +1 @@
+/home/rhatto/.config/luakit/contrib/luakit-plugins/tools/adblock-update.sh
\ No newline at end of file