refactor: migrate custom fields to transactions

refactor: extract functions to api domain

refactor: strict custom field parsing

refactor: remove rundown cache utilities

refactor: directory restructure

apps/server/src/api-data/rundown/__mocks__/rundown.mocks.ts

@@ -1,4 +1,5 @@
-import { SupportedEntry, OntimeEvent, OntimeDelay, OntimeBlock, Rundown } from 'ontime-types';
+import { SupportedEntry, OntimeEvent, OntimeDelay, OntimeBlock, Rundown, CustomField } from 'ontime-types';
+
 import { defaultRundown } from '../../../models/dataModel.js';
 
 const baseEvent = {
@@ -46,6 +47,15 @@ export function makeRundown(patch: Partial<Rundown>): Rundown {
   };
 }
 
+export function makeCustomField(patch: Partial<CustomField>): CustomField {
+  return {
+    type: 'string',
+    colour: '#000000',
+    label: 'Custom Field',
+    ...patch,
+  };
+}
+
 /**
  * Utility to generate a rundown of OntimeEvents form partial objects
  */