add: project order index

app/queries/projects/list_query.rb

@@ -15,7 +15,7 @@ class Projects::ListQuery < ApplicationQuery
     scope = q
       .with_project_type(params[:project_type])
       .with_project_category(params[:category_id])
-      .with_project_language(params[:language_id])
+      .with_project_language(params[:language_id]).order(order_index: :desc)
 
     sort = params[:sort_by] || "updated_on"
     sort_direction = params[:sort_direction] || "desc"

db/migrate/20210317062206_add_order_index_to_project.rb

@@ -0,0 +1,5 @@
+class AddOrderIndexToProject < ActiveRecord::Migration[5.2]
+  def change
+    add_column :projects, :order_index, :integer, default: 0
+  end
+end