add all possible keys/properties of codemeta schema

eossr/metadata/schema/codemeta.json

+{
+  "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
+  "@type": "SoftwareSourceCode",
+  "funder": [
+    {
+      "@type": "Organization",
+      "name": "ESCAPE: European Science Cluster of Astronomy & Particle physics ESFRI research infrastructures",
+      "funder": {
+        "@type": "Organization",
+        "@id": "https://doi.org/10.13039/501100000780",
+        "name": "European Commission"
+      }
+    }
+  ],
+  "funding": "824064",
+  "applicationCategory": "",
+  "applicationSubCategory": "",
+  "author": [],
+  "buildInstructions": "",
+  "citation": "",
+  "codeRepository": "",
+  "contIntegration": "",
+  "contributor": [],
+  "copyrightHolder": "",
+  "copyrightYear": "",
+  "creator": {},
+  "dateCreated": "",
+  "dateModified": "",
+  "datePublished": "",
+  "description": "",
+  "developmentStatus": "",
+  "downloadUrl": "",
+  "editor": {},
+  "embargoDate": "",
+  "encoding": "",
+  "fileFormat": "",
+  "fileSize": "",
+  "hasPart": "",
+  "identifier": "",
+  "installUrl": "",
+  "isAccessibleForFree": "",
+  "isPartOf": "",
+  "issueTracker": "",
+  "keywords": "",
+  "license": "",
+  "maintainer": {},
+  "memoryRequirements": "",
+  "name": "",
+  "operatingSystem": "",
+  "permissions": "",
+  "position": "",
+  "processorRequirements": "",
+  "producer": "",
+  "programmingLanguage": [],
+  "provider": "",
+  "publisher": "",
+  "readme": "",
+  "referencePublication": "",
+  "relatedLink": "",
+  "releaseNotes": "",
+  "runtimePlatform": "",
+  "sameAs": "",
+  "softwareHelp": "",
+  "softwareRequirements": [],
+  "softwareVersion": "",
+  "sponsor": {},
+  "storageRequirements": "",
+  "supportingData": "",
+  "targetProduct": ""
+}
\ No newline at end of file