Add resource definitions for all 22 API tags, wire client accessors and require tree

lib/fiken/resources/transactions.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+module Fiken
+  module Resources
+    # /companies/{slug}/transactions
+    class Transactions < Resource::Base
+      include Resource::Listable
+      include Resource::Findable
+
+      def resource_path
+        "transactions"
+      end
+
+      # Deletion is a PATCH to /{id}/delete (optionally with a description).
+      def delete(id, attributes = nil)
+        connection.patch("#{base_path}/#{id}/delete", attributes)
+        true
+      end
+    end
+  end
+end