Update introduction text

We now download RuneScape 3 caches automatically.

Signed-off-by: Graham <gpe@openrs2.org>

archive/src/main/resources/org/openrs2/archive/templates/index.html

@@ -29,12 +29,12 @@
 					version numbers match.
 				</p>
 				<p>
-					The archive is highly automated: OSRS cache updates are
+					The archive is highly automated: OSRS and RuneScape 3 cache
-					downloaded automatically (with RuneScape 3 support
+					updates are downloaded automatically, and XTEA keys are
-					planned), and XTEA keys are pulled from various sources and
+					pulled from various sources and verified automatically.
-					verified automatically. However, third-party contributions
+					However, third-party contributions must be imported
-					must be imported manually to verify the data's provenance
+					manually to verify the data's provenance (see the
-					(see the "Contributing" section below).
+					"Contributing" section below).
 				</p>
 				<p>
 					Support for archiving clients/gamepacks, loaders and native