docs(CHANGELOG): prepare for v1.6.0

CHANGELOG.markdown

@@ -1,3 +1,26 @@
+# [1.6.0](https://github.com/favonia/cloudflare-ddns/compare/v1.5.1...v1.6.0) (2022-08-12)
+
+
+### Bug Fixes
+
+* **config:** don't print "Monitors: (none)" ([#201](https://github.com/favonia/cloudflare-ddns/issues/201)) ([472aef4](https://github.com/favonia/cloudflare-ddns/commit/472aef46bca4c3599e1c75fed9c09419fd43c04d))
+* **config:** print wildcard domains with prefix `*.` ([#198](https://github.com/favonia/cloudflare-ddns/issues/198)) ([caf370c](https://github.com/favonia/cloudflare-ddns/commit/caf370c257e693b1550860486e80a5a629bdb884))
+* **config:** separate printed domains with comma ([#200](https://github.com/favonia/cloudflare-ddns/issues/200)) ([d658d58](https://github.com/favonia/cloudflare-ddns/commit/d658d58845a2b56b291a7d0d3df567ebc90cc0f2))
+* **setter:** print out better error messages ([#195](https://github.com/favonia/cloudflare-ddns/issues/195)) ([68007f8](https://github.com/favonia/cloudflare-ddns/commit/68007f803d819653610d0932db84ca2a9d710f6c))
+
+
+### Features
+
+* add systemd unit file for non-Docker users ([#139](https://github.com/favonia/cloudflare-ddns/issues/139)) ([bbe48ae](https://github.com/favonia/cloudflare-ddns/commit/bbe48ae14ca36c1e6dac877550211af384f17f87))
+* per-domain proxy settings ([#202](https://github.com/favonia/cloudflare-ddns/issues/202)) ([8b456cf](https://github.com/favonia/cloudflare-ddns/commit/8b456cfc407d43b5389a62952c3a5aad9f5c4756))
+
+
+### Others
+
+* use Go 1.19 ([#193](https://github.com/favonia/cloudflare-ddns/issues/193)) ([889a7c2](https://github.com/favonia/cloudflare-ddns/commit/889a7c25314921b40191ece578958bb28cb000af))
+
+
+
 # [1.5.1](https://github.com/favonia/cloudflare-ddns/compare/v1.5.0...v1.5.1) (2022-06-23)