Add header anchors to common device page sections.

Change-Id: I5b9a88a3c973a95725095e825db9fa8cb2b342ae
diff --git a/_includes/disclaimer.html b/_includes/disclaimer.html
index 5448700..d26492e 100644
--- a/_includes/disclaimer.html
+++ b/_includes/disclaimer.html
@@ -1,3 +1,3 @@
-<div class='page-heading'>Disclaimer:</div>
+<div class='page-heading' id='disclaimer'>Disclaimer:</div>
 <hr />
 <p class="text">Team Win strives to provide a quality product.&nbsp; However, it is your decision to install our software on your device.&nbsp; Team Win takes no responsibility for any damage that may occur from installing or using TWRP.</p>