Add info modal for pair programming

app/assets/javascripts/programming_groups.js

@@ -0,0 +1,25 @@
+var ProgrammingGroups = {
+    getStoredViewedPPInfo: function () {
+        return localStorage.getItem('viewed_pp_info')
+    },
+
+    setStoredViewedPPInfo: function () {
+        localStorage.setItem('viewed_pp_info', 'true')
+    },
+
+
+    initializeEventHandler: function () {
+        $('#dont_show_info_pp_modal_again').on('click', this.setStoredViewedPPInfo.bind(this));
+    }
+};
+
+$(document).on('turbolinks:load', function () {
+    const modal = $('#modal-info-pair-programming');
+    if (modal.isPresent()) {
+        ProgrammingGroups.initializeEventHandler();
+
+        if (ProgrammingGroups.getStoredViewedPPInfo() !== 'true' && !_.isEqual(current_user, current_contributor)) {
+            new bootstrap.Modal(modal).show();
+        }
+    }
+});