[phase-4]implemented controller create method

app/controllers/glossary_terms_controller.rb

@@ -10,10 +10,26 @@ class GlossaryTermsController < ApplicationController
     @term = GlossaryTerm.new
   end
 
+  def create
+    term = GlossaryTerm.new(glossary_term_params)
+    if term.save
+      flash[:notice] = l(:notice_successful_create)
+      redirect_to glossary_term_path(term.id)
+    end
+  end
+  
   # Find the term whose id is the :id parameter
   def find_term_from_id
     @term = GlossaryTerm.find(params[:id])
   rescue ActiveRecord::RecordNotFound
     render_404
   end
+
+  private
+
+  def glossary_term_params
+    params.require(:glossary_term).permit(
+      :name, :description
+    )
+  end
 end