docs: update changelog for 0.14.0

Author: hacdias

CHANGELOG.md

@@ -16,6 +16,18 @@ The following emojis are used to highlight certain changes:
 
 ### Added
 
+### Changed
+
+### Removed
+
+### Fixed
+
+### Security
+
+## [v0.14.0]
+
+### Added
+
 * `boxo/gateway`:
   * A new `WithResolver(...)` option can be used with `NewBlocksBackend(...)` allowing the user to pass their custom `Resolver` implementation.
   * The gateway now sets a `Cache-Control` header for requests under the `/ipns/` namespace if the TTL for the corresponding IPNS Records or DNSLink entities is known.