Add sqlite database

db/migrations/001_create_test_records.rb

@@ -0,0 +1,12 @@
+Sequel.migration do
+  up do
+    create_table(:test_records) do
+      primary_key :id
+      String :message, null: false
+    end
+  end
+
+  down do
+    drop_table(:test_records)
+  end
+end