fix json load

Signed-off-by: F-Node-Karlsruhe <christian.fries@eecc.de>

package/src/signing/json-ld-signatures/contexts/epcis-credential-context.json

@@ -0,0 +1,13 @@
+{
+    "@context": {
+        "@protected": "true",
+        "EPCISDocumentCredential": {
+            "@id": "https://github.com/european-epc-competence-center/epcis-signing#epcisdocumentcredential"
+        },
+        "EPCISEventCredential": {
+            "@id": "https://github.com/european-epc-competence-center/epcis-signing#epciseventcredential"
+        },
+        "name": "http://schema.org/name",
+        "image": "http://schema.org/image"
+    }
+}

package/src/signing/json-ld-signatures/index.ts

@@ -33,7 +33,7 @@ export function createEPCISCredential(issuer: string, subject: EPCISDocument | E
     return {
         '@context': [
             'https://www.w3.org/2018/credentials/v1',
-            'https://raw.githubusercontent.com/COPPA-CCP/epcis-signing/main/package/src/signing/json-ld-signatures/contexts/epcis-credentials-context.ts'
+            'https://raw.githubusercontent.com/COPPA-CCP/epcis-signing/main/package/src/signing/json-ld-signatures/contexts/epcis-credential-context.json'
         ],
         type: ['VerifiableCredential', subject.type == 'EPCISDocument' ? 'EPCISDocumentCredential' : 'EPCISEventCredential'],
         ...(credentialId && { id: credentialId }),