Add Elo rating system with match entry and CSV upload

- Implement EloCalculator service for 2v2 Euchre matches
- Create background job processing with GoodJob
- Add single match entry form
- Add CSV upload for batch match entry
- Create player rankings view
- Add database schema for matches and elo snapshots

db/migrate/20240915000000_create_good_job_tables.rb

@@ -0,0 +1,53 @@
+# frozen_string_literal: true
+
+ROM::SQL.migration do
+  change do
+    create_table :good_jobs do
+      primary_key :id
+      column :queue_name, String
+      column :priority, Integer, default: 0
+      column :serialized_params, String
+      column :scheduled_at, DateTime
+      column :performed_at, DateTime
+      column :finished_at, DateTime
+      column :error, String
+      column :created_at, DateTime, null: false
+      column :updated_at, DateTime, null: false
+      column :active_job_id, String
+      column :concurrency_key, String
+      column :sequence, Integer
+      column :executions_count, Integer
+      column :job_class, String
+      column :error_event, Integer
+      column :labels, String
+      column :locked_by_id, String
+      column :locked_at, DateTime
+    end
+
+    add_index :good_jobs, [:scheduled_at, :priority, :id], name: "index_good_jobs_on_scheduled_at"
+
+    create_table :good_job_processes do
+      primary_key :id
+      column :state, String
+      column :started_at, DateTime
+      column :singleton_key, String
+      column :created_at, DateTime, null: false
+      column :updated_at, DateTime, null: false
+    end
+
+    create_table :good_job_execution_errors do
+      primary_key :id
+      column :active_job_id, String
+      column :error, String
+      column :created_at, DateTime, null: false
+    end
+
+    create_table :good_job_settings do
+      primary_key :id
+      column :key, String
+      column :value, String
+      column :created_at, DateTime, null: false
+      column :updated_at, DateTime, null: false
+    end
+  end
+end