Fix after FE review

- Make name unique
- Make description to be as much as 255 characters longs
- Make the list paginated and ordered

app/controllers/projects/feature_flags_controller.rb

@@ -9,6 +9,8 @@ class Projects::FeatureFlagsController < Projects::ApplicationController
 
   def index
     @feature_flags = project.operations_feature_flags
+      .order(:name)
+      .page(params[:page]).per(30)
   end
 
   def new
@@ -59,6 +61,6 @@ class Projects::FeatureFlagsController < Projects::ApplicationController
 
   def update_params
     params.require(:operations_feature_flag)
-          .permit(:description, :active)
+          .permit(:name, :description, :active)
   end
 end

app/models/operations/feature_flag.rb

@@ -12,6 +12,7 @@ module Operations
         with: Gitlab::Regex.feature_flag_regex,
         message: Gitlab::Regex.feature_flag_regex_message
       }
-    validates :description, length: 0..1000
+    validates :name, uniqueness: { scope: :project_id }
+    validates :description, length: 0..255
   end
 end

app/views/projects/feature_flags/_table.html.haml

@@ -35,3 +35,5 @@
                 target: "#delete-feature-flag-modal-#{feature_flag.id}" },
               title: _('Delete') }
             = sprite_icon('remove', size: 16)
+
+= paginate @feature_flags, theme: "gitlab"