feat: Add fresh database setup script and media handling improvements

- Introduced a new script for setting up a fresh database with ordered migration tasks.
- Added a utility function to find media by filename, improving media handling in various scripts.
- Updated preload scripts to utilize the new media fetching utility.
- Refactored datenschutz, impressum, and mitglied-werden fields to use stable IDs and anchor IDs.
- Enhanced home and network pages to accommodate new field structures.
- Added new preload script for global CMS settings.
- Improved code readability and organization across multiple files.

src/collections/Pages/netzwerkFields.ts

@@ -59,7 +59,7 @@ const juryMemberFields: Field[] = [
 const rowFields: Field[] = [text('num', 'Number'), text('label', 'Label'), textarea('body', 'Body')]
 
 const partnerFields: Field[] = [
-  text('id', 'Stable ID'),
+  text('stableId', 'Stable ID'),
   text('name', 'Name'),
   text('role', 'Role'),
   numberField('tier', 'Tier'),
@@ -94,6 +94,10 @@ const partnerFields: Field[] = [
 const benefitFields: Field[] = [text('num', 'Number'), text('label', 'Label'), text('sub', 'Subline')]
 const packageFields: Field[] = [text('value', 'Value'), text('title', 'Title'), textarea('desc', 'Description')]
 const formStepFields: Field[] = [text('label', 'Label')]
+const partnerDefaults = netzwerkContent.partners.items.map(({ id, ...partner }) => ({
+  ...partner,
+  stableId: id,
+}))
 
 export const netzwerkFields: Field[] = [
   {
@@ -252,7 +256,7 @@ export const netzwerkFields: Field[] = [
             label: 'Partners',
             type: 'array',
             dbName: 'network_partners',
-            defaultValue: netzwerkContent.partners.items,
+            defaultValue: partnerDefaults,
             fields: partnerFields,
           },
         ],