Prepare release (limited permissions)

Second xpi-file for default release with limited permissions (default sites only).
New added custom sites can't be used though (actually they have no effect).

updates_lp.json

@@ -0,0 +1,11 @@
+
+{
+  "addons": {
+    "magnolia_limited_permissions@12.34": {
+      "updates": [
+        { "version": "1.6.6.3",
+            "update_link": "https://github.com/magnolia1234/bypass-paywalls-firefox-clean/releases/download/v1.6.6.3/bypass_paywalls_clean_lp-1.6.6.3-an+fx.xpi" }
+        ]
+    }
+  }
+}