Ensure that calls for interest can be created without an "interestable" association

Author: rsmithlal

app/models/better_together/call_for_interest.rb

@@ -11,7 +11,7 @@ class CallForInterest < ApplicationRecord
 
     slugged :name
 
-    belongs_to :interestable, polymorphic: true
+    belongs_to :interestable, polymorphic: true, optional: true
 
     has_one_attached :cover_image do |attachable|
       attachable.variant :optimized_jpeg, resize_to_limit: [2400, 1200],

app/views/better_together/calls_for_interest/index.html.erb

@@ -41,7 +41,7 @@
               If you have an idea or want to see what others are interested in, check back soon or start a new call for interest!
             </p>
             <% if policy(resource_class).create? %>
-              <a href="<%= new_call_for_interest_path %>" class="btn btn-primary mt-3">Publish an Call For Interest</a>
+              <a href="<%= new_call_for_interest_path %>" class="btn btn-primary mt-3">Publish a Call For Interest</a>
             <% end %>
           </div>
         </div>

config/locales/en.yml

@@ -576,6 +576,8 @@ en:
     buildings:
       add: Add
       title: Title
+    calls_for_interest:
+      save_call_for_interest: Save Call for Interest
     communities:
       index:
         new_btn_text: New btn text