feat: add created and updated autodate fields to sources collection via migration

pb_migrations/1779200000_updated_sources.js

@@ -0,0 +1,45 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((app) => {
+  const collection = app.findCollectionByNameOrId("pbc_1124997656")
+
+  if (collection) {
+    // Check if created already exists
+    let hasCreated = false;
+    for (let f of collection.fields) {
+      if (f.name === 'created') hasCreated = true;
+    }
+    
+    if (!hasCreated) {
+      collection.fields.addAt(4, new Field({
+        "hidden": false,
+        "id": "autodate_sources_created",
+        "name": "created",
+        "onCreate": true,
+        "onUpdate": false,
+        "presentable": false,
+        "system": false,
+        "type": "autodate"
+      }))
+
+      collection.fields.addAt(5, new Field({
+        "hidden": false,
+        "id": "autodate_sources_updated",
+        "name": "updated",
+        "onCreate": true,
+        "onUpdate": true,
+        "presentable": false,
+        "system": false,
+        "type": "autodate"
+      }))
+
+      return app.save(collection)
+    }
+  }
+}, (app) => {
+  const collection = app.findCollectionByNameOrId("pbc_1124997656")
+  if (collection) {
+    collection.fields.removeById("autodate_sources_created")
+    collection.fields.removeById("autodate_sources_updated")
+    return app.save(collection)
+  }
+})