chore: code quality refinements (Optional accessors, serializer cleanup, unchecked warnings, Javadoc, JSON order)#476

tcheeric merged 2 commits intodeveloptcheeric/nostr-java:developfrom

chore/bump-version-1.0.1-SNAPSHOTtcheeric/nostr-java:chore/bump-version-1.0.1-SNAPSHOTCopy head branch name to clipboard