warp_engine: CiRepository -> Pipeline rename everywhere, ci_ service prefixes dropped, unknown platform allowed

spec/factories/pipelines.rb

@@ -0,0 +1,17 @@
+FactoryBot.define do
+  factory :pipeline, class: "WarpEngine::Pipeline" do
+    sequence(:woodpecker_repo_id) { |n| n }
+    repo_owner { "testorg" }
+    sequence(:repo_name) { |n| "game-#{n}" }
+    platform { "tic80" }
+    active { true }
+
+    trait :with_software do
+      association :software
+    end
+
+    trait :inactive do
+      active { false }
+    end
+  end
+end