Add suggestions list with goals and targets

This will allow autocomplete for the loaded values in suggestions settings.
We remove commas on tag to allow to jquery.amsify.suggestag.js use comma
as delimiter.

spec/components/sdg/related_list_selector_component_spec.rb

@@ -11,4 +11,34 @@ describe SDG::RelatedListSelectorComponent, type: :component do
     expect(page).to have_css ".sdg-related-list-selector .input"
     expect(page).to have_content "Sustainable Development Goals and Targets"
   end
+
+  describe "#goals_and_targets" do
+    it "return all goals and target with order" do
+      goals_and_targets = component.goals_and_targets
+
+      expect(goals_and_targets.first).to eq SDG::Goal[1]
+      expect(goals_and_targets.second).to eq SDG::Target[1.1]
+      expect(goals_and_targets.last).to eq SDG::Target[17.19]
+    end
+  end
+
+  describe "#suggestion_tag_for" do
+    it "return suggestion tag for goal" do
+      suggestion = component.suggestion_tag_for(SDG::Goal[1])
+
+      expect(suggestion).to eq({
+        tag: "1. No Poverty",
+        value: 1
+      })
+    end
+
+    it "return suggestion tag for target" do
+      suggestion = component.suggestion_tag_for(SDG::Target[1.1])
+
+      expect(suggestion).to eq({
+        tag: "1.1. By 2030 eradicate extreme poverty for all people everywhere currently measured as people living on less than $1.25 a day",
+        value: "1.1"
+      })
+    end
+  end
 end