Implement #94 in criteria

README.md

@@ -287,6 +287,9 @@ itself be an object containing the following fields:
           Example: `["http-request-signatures", "code"]`. The array MAY include for instance:
     * `"http-request-signatures"` - to indicate that API requests without http signatures will be rejected.
     * `"code"` - to indicate that API requests without code will be rejected (i.e. the `sharedSecret` in the protocol details will be ignored).
+    * `"denylist"` - some servers may be blocked based on their IP address
+    * `"allowlist"` - unknown servers may be blocked based on their IP address
+    * `"invite"` - an invite must have been exchanged between the sender and the receiver before a Share Creation Notification can be sent
 
 * OPTIONAL: publicKey (object) - The signatory used to sign outgoing request to confirm its origin. The 
           signatory is optional, but if present, it MUST contain two string fields, `id` and `publicKeyPem`.