Add rake task to reset the cached votes counter

lib/tasks/votes.rake

@@ -0,0 +1,16 @@
+namespace :votes do
+
+  desc "Resets cached_votes_up counter to its latest value"
+  task reset_vote_counter: :environment do
+    models = [Proposal, Budget::Investment]
+
+    models.each do |model|
+      model.find_each do |resource|
+        resource.update_cached_votes
+        print "."
+      end
+    end
+
+  end
+
+end