Added Goal model and preliminary Targets index

app/controllers/targets_controller.rb

@@ -0,0 +1,24 @@
+class TargetsController < ApplicationController
+  layout 'body_tracking'
+  menu_item :body_trackers
+  helper :body_trackers
+
+  include Concerns::Finders
+
+  before_action :find_project_by_project_id, only: [:index]
+
+  def index
+    prepare_targets
+  end
+
+  def new
+    @target = @project.targets.new
+    @target.arity.times { @target.thresholds.new }
+  end
+
+  private
+
+  def prepare_targets
+    @targets = @project.targets.includes(:item, :thresholds)
+  end
+end