Add name length validation (#453)

app/models/user.rb

@@ -39,6 +39,7 @@ class User < ApplicationRecord
             length: { maximum: 50 },
             email: true,
             allow_blank: true
+  validates :name, length: { maximum: 100 }
   validates :username,
             presence: true,
             uniqueness: { case_sensitive: false },

app/views/pages/bounty.html.erb

@@ -77,6 +77,7 @@
                     'Aman Mahendra',
                     'Kaushik Roy',
                     'Shiv Bihari Pandey',
+                    'Sahil Mehra',
                      ] %>
     <% hunters.shuffle.each do |hunter| %>
       <li><%= hunter %></li>

spec/models/user_spec.rb

@@ -25,6 +25,7 @@ RSpec.describe User, type: :model do
   it { is_expected.to validate_uniqueness_of(:twitter_username).allow_blank }
   it { is_expected.to validate_presence_of(:username) }
   it { is_expected.to validate_length_of(:username).is_at_most(30).is_at_least(2) }
+  it { is_expected.to validate_length_of(:name).is_at_most(100) }
 
   # the followings are failing
   # it { is_expected.to have_many(:keys) }