[phase-1]can view default index page from Web browser.

app/controllers/glossary_terms_controller.rb

@@ -0,0 +1,5 @@
+class GlossaryTermsController < ApplicationController
+
+  def index
+  end
+end

app/helpers/glossary_terms_helper.rb

@@ -0,0 +1,2 @@
+module GlossaryTermsHelper
+end

app/views/glossary_terms/index.html.erb

@@ -0,0 +1 @@
+<h2>GlossaryTermsController#index</h2>

config/routes.rb

@@ -1,2 +1,6 @@
 # Plugin's routes
 # See: http://guides.rubyonrails.org/routing.html
+
+Rails.application.routes.draw do
+  resources :glossary_terms, only: [:index]
+end

test/functional/glossary_terms_controller_test.rb

@@ -0,0 +1,8 @@
+require File.expand_path('../../test_helper', __FILE__)
+
+class GlossaryTermsControllerTest < ActionController::TestCase
+  # Replace this with your real tests.
+  def test_truth
+    assert true
+  end
+end