Add register to vote CTA

Signed-off-by: James Taylor <jt-git@nti.me.uk>

config.toml

@@ -26,10 +26,16 @@ Comparison of [tactical voting sites](/reviews) coming soon'''
 [params.social]
   github = "TechForUK"
   twitter = "TechForUK"
-  ## Main Menu
 
+## Main Menu
 [[menu.main]]
-    name = "Reviews"
+    name = "Register to vote"
     weight = 100
-    identifier = "reviews"
-    url = "/reviews"
+    identifier = "register"
+    url = "https://www.gov.uk/register-to-vote"
+
+#[[menu.main]]
+#    name = "Reviews"
+#    weight = 200
+#    identifier = "reviews"
+#    url = "/reviews"

content/_index.md

@@ -1,4 +1,13 @@
 ---
+title: Tactical Voting Tools
 ---
 
-Work in progress...
+Before you even start thinking about _who_ to vote for, make sure you _can_ vote!
+
+**REGISTER TO VOTE NOW!**
+
+[www.gov.uk/register-to-vote](https://www.gov.uk/register-to-vote)
+
+Have you registered? Excellent, now grab a drink and take a few minutes to check out which tactical voting site makes most sense in your constituency. Don't worry too much yet, most are still being updated. If you're unsure, look out for recommendations from your local remain groups.
+
+And remember, if you've registered to vote, make sure you _use_ your vote!