docs: stage 0.1.0 changelog under Unreleased for release workflow

The release workflow rolls ## Unreleased into a dated version section; move
the seeded 0.1.0 entries there (and drop the pre-dated section) so the first
release produces a proper "## 0.1.0 - <date>" with correct release notes.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: oetiker

CHANGES.md

@@ -8,14 +8,6 @@ All notable changes to edaptor are documented here. The format follows
 
 ### New
 
-### Changed
-
-### Fixed
-
-## 0.1.0 - 2026-06-04
-
-### New
-
 - Schema-driven TUI for administering an OpenLDAP directory: browse, create,
   edit, rename, and delete users and groups with forms generated from live
   `objectClass` definitions (`cn=subschema`).
@@ -26,3 +18,7 @@ All notable changes to edaptor are documented here. The format follows
   LDIF preview of the exact change before it is applied.
 - rustls TLS backend (custom CA, optional StartTLS, connect timeout).
 - Provisioned podman test server (`scripts/test-ldap.sh`) and `edaptor passwd <dn>` CLI.
+
+### Changed
+
+### Fixed