[LightTheNight.org] Simplify and enable ruleset (EFForg#18115)

* [LightTheNight.org] Simplify and enable ruleset

* Rename Light_the_Night.org.xml to LightTheNight.org.xml

* [LightTheNight.org] Add comment about wildcard DNS

Author: Bisaloo

src/chrome/content/rules/LightTheNight.org.xml

@@ -0,0 +1,22 @@
+<!--
+	MCB:
+		pages.lightthenight.org (e.g. https://pages.lightthenight.org/va/Frdrcksb13/TeamTomas)
+
+	No working URL known:
+		donate.lightthenight.org
+
+	This domain has a wildcard DNS.
+
+-->
+<ruleset name="LightTheNight.org">
+
+	<target host="lightthenight.org" />
+	<target host="www.lightthenight.org" />
+	<target host="registration.lightthenight.org" />
+
+	<securecookie host="^www\.lightthenight\.org" name=".+" />
+
+	<rule from="^http:"
+		to="https:" />
+
+</ruleset>