feat(schema): collection meta exports (custom scripted exports)

Wiederhergestellt aus dem Arbeitsstand vor dem Dynamic-Blocks-Branch.

schemas/config/collection-meta.schema.json

@@ -17,6 +17,40 @@
     "group": {
       "type": "string"
     },
+    "exports": {
+      "description": "Custom scripted exports (tibi-admin-nova ExportDialog). The script loads data itself via db.find/loadAll.",
+      "type": "array",
+      "items": {
+        "type": "object",
+        "additionalProperties": false,
+        "properties": {
+          "name": {
+            "type": "string"
+          },
+          "label": {
+            "$ref": "defs.schema.json#/definitions/i18nText"
+          },
+          "file": {
+            "oneOf": [
+              {
+                "type": "string"
+              },
+              {
+                "$ref": "defs.schema.json#/definitions/evalString"
+              }
+            ]
+          },
+          "filename": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "name",
+          "file"
+        ]
+      }
+    },
+
     "imageUrl": {
       "oneOf": [
         {