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

lib/fiken/resources/credit_notes.rb

@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+module Fiken
+  module Resources
+    # /companies/{slug}/creditNotes
+    class CreditNotes < Resource::Base
+      include Resource::Listable
+      include Resource::Findable
+      include Resource::Sendable
+      include Resource::HasCounter
+      include Resource::Draftable
+
+      def resource_path
+        "creditNotes"
+      end
+
+      def draft_create_action
+        "createCreditNote"
+      end
+
+      # POST /creditNotes/full — credit a whole invoice.
+      def create_full(attributes)
+        post_create("#{base_path}/full", attributes)
+      end
+
+      # POST /creditNotes/partial — credit selected lines/amounts.
+      def create_partial(attributes)
+        post_create("#{base_path}/partial", attributes)
+      end
+    end
+  end
+end