Update Protobuf Content Types

Adds 'application/x-protobuffer' and 'application/grpc'.

Author: bluemods

src/model/events/content-types.ts

@@ -94,6 +94,8 @@ const mimeTypeToContentTypeMap: { [mimeType: string]: ViewableContentType } = {
     'application/vnd.google.protobuf': 'protobuf',
     'application/x-google-protobuf': 'protobuf',
     'application/proto': 'protobuf', // N.b. this covers all application/XXX+proto values
+    'application/grpc': 'protobuf', // Used in GRPC requests
+    'application/x-protobuffer': 'protobuf' // Commonly seen in Google apps
 
     'application/octet-stream': 'raw'
 } as const;
@@ -192,4 +194,4 @@ export function getCompatibleTypes(
     types.add('raw');
 
     return Array.from(types);
-}
+}