[Feature] Dynamic additional information rendering in frontend (#282)

This implements a version of #274, relying on Pydantics built in JSON schema and JSON rendering.
Requires additional UI tagging in the ai model repo but will remove HTML tags.

Example scenario with filled information: 5882df9c-dae1-4d80-a40e-db4724271456/scenario/3a4d395a-6a6d-4154-8ce3-ced667fceec0

Reviewed-on: enviPath/enviPy#282
Co-authored-by: Tobias O <tobias.olenyi@envipath.com>
Co-committed-by: Tobias O <tobias.olenyi@envipath.com>

epapi/v1/schemas.py

@@ -1,5 +1,5 @@
 from ninja import FilterSchema, FilterLookup, Schema
-from typing import Annotated, Optional
+from typing import Annotated, Optional, List, Dict, Any
 from uuid import UUID
 
 
@@ -51,6 +51,23 @@ class ScenarioOutSchema(PackageEntityOutSchema):
     pass
 
 
+class AdditionalInformationItemSchema(Schema):
+    """Schema for additional information item in scenario creation."""
+
+    type: str
+    data: Dict[str, Any]
+
+
+class ScenarioCreateSchema(Schema):
+    """Schema for creating a new scenario."""
+
+    name: str
+    description: str = ""
+    scenario_date: str = "No date"
+    scenario_type: str = "Not specified"
+    additional_information: List[AdditionalInformationItemSchema] = []
+
+
 class CompoundOutSchema(PackageEntityOutSchema):
     pass