lists: Add shield contract

lists/contracts/shield.lua.m4

+include(utils.m4)dnl
+_FEATURE_GUARD_
+
+-- No more Foris and LuCI
+Uninstall("foris", "luci", "luci-base", { priority = 45 })
+
+-- Extra security
+Install('common_passwords', { priority = 45 })
+
+options = {
+    "dynfw" = true,
+    "haas" = true,
+    "survey" = true,
+    "nikola" = true,
+    "minipot" = true,
+}
+Export("options")
+Script("../pkglists/datacollection.lua")
+
+_END_FEATURE_GUARD_