Add "Change history" section for the specs.

AdamZWu · AdamZWu · commit 6aca2e8fc264 · 2023-10-31T17:04:12.000Z
diff --git a/envelope.md b/envelope.md
@@ -73,3 +73,7 @@ invalidating the signature:
 
 At this point we do not standardize any other encoding. If a need arises, we may
 do so in the future.
+
+## Change history
+* 1.0.0: Initial version.
+
diff --git a/protocol.md b/protocol.md
@@ -175,3 +175,7 @@ Result (using the recommended [JSON envelope](envelope.md)):
 [JWS]: https://tools.ietf.org/html/rfc7515
 [PASETO]: https://github.com/paragonie/paseto/blob/master/docs/01-Protocol-Versions/Version2.md#sig
 [TUF]: https://theupdateframework.io
+
+## Change history
+* 1.0.0: Initial version.
+
