fix: allow no spacing between IDs in those environment variables

Author: alvis

source/plugin.ts

@@ -82,15 +82,15 @@ export function normaliseConfig(
 
   const databases = [
     ...(config.databases ?? []),
-    ...(process.env['GATSBY_NOTION_DATABASES']?.split(/, +/) ?? []),
+    ...(process.env['GATSBY_NOTION_DATABASES']?.split(/, */) ?? []),
   ].filter(
     // no empty id
     (id) => !!id,
   );
 
   const pages = [
     ...(config.pages ?? []),
-    ...(process.env['GATSBY_NOTION_PAGES']?.split(/, +/) ?? []),
+    ...(process.env['GATSBY_NOTION_PAGES']?.split(/, */) ?? []),
   ].filter(
     // no empty id
     (id) => !!id,