passes validation with top level authors list

CITATION.cff

@@ -8,6 +8,31 @@ url: "https://flamegpu.com"
 version: "2.0.0-rc.1"
 date-released: 2024-01-12
 type: software
+authors: 
+  - given-names: Paul
+    family-names: Richmond
+    affiliation: The University of Sheffield
+    alias: mondus
+    orcid: "https://orcid.org/0000-0002-4657-5518"
+  - given-names: Robert
+    family-names: Chisholm
+    affiliation: The University of Sheffield
+    alias: Robadob
+    orcid: "https://orcid.org/0000-0003-3379-9042"
+  - given-names: Peter
+    family-names: Heywood
+    affiliation: The University of Sheffield
+    alias: ptheywood
+    orcid: "https://orcid.org/0000-0001-9277-8394"
+  - given-names: Matthew
+    family-names: Leach
+    affiliation: The University of Sheffield
+    alias: MILeach
+    orcid: "https://orcid.org/0000-0002-8901-5609"
+  - given-names: Mozhgan
+    family-names: Kabiri Chimeh
+    alias: mozhgan-kch 
+    orcid: "https://orcid.org/0000-0002-2561-7926"
 message: "If you use this software, please cite both the article from preferred-citation and the software itself."
 preferred-citation:
   authors: 
@@ -33,11 +58,12 @@ preferred-citation:
       orcid: "https://orcid.org/0000-0002-8901-5609"
     - given-names: Mozhgan
       family-names: Kabiri Chimeh
+      affiliation: NVIDIA
       alias: mozhgan-kch 
       orcid: "https://orcid.org/0000-0002-2561-7926"
   title: "FLAME GPU 2: A framework for flexible and performant agent based simulation on GPUs"
   type: article
-  doi: https://doi.org/10.1002/spe.3207
+  doi: 10.1002/spe.3207
 identifiers:
   - description: The collection of archived snapshots of all versions of FLAME GPU 2
     type: doi