add note about binary encoded identifiers

src/scitt/identifiers/scitt-identifiers.test.ts

@@ -96,4 +96,9 @@ describe('should produce a URL from a SCITT URN', () => {
     // Returning wrapper encodings of scitt messages from SCRAPI that are not well formed data URLs is NOT RECOMMENDED.
     // For example, it is not recommended to return custom base encodings that destructure scitt data URLs.
   })
-})
+})
+
+// SCITT does not require Text Encoded Identifiers (URLs or URNs)
+// Binary Encoded Identifiers for URLs or URNs
+// MAY be constructed according to __RFC__.
+// SCRAPI does not define http interfaces for working with binary identifiers.