Add Netlify _redirects file

.gitignore

@@ -1,7 +1,9 @@
 *.db
+*.sqlite
 .DS_Store
 .rvmrc
 .bundle/config
 /.ruby-gemset
 /tmp/
-_*
+_site
+_config.rb

public/_redirects

@@ -0,0 +1,5 @@
+# Redirect domain aliases to primary domain
+https://elections.opensutton.org/* https://elections.adrianshort.org/:splat 301!
+
+# Optional: Redirect default Netlify subdomain to primary domain
+https://suttonelections.netlify.com/* https://elections.adrianshort.org/:splat 301!