update CHANGELOG and CONTRIBUTING

CHANGELOG.md

@@ -6,9 +6,13 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Added
+- added in-memory cache to reduce API strain (#4)
+
 ### Changed
 - renamed the score metric from `ntppool_score` to `ntppool_server_score`
 - fixed some debug logs
+- update readme to reflect new repo
 
 ### Removed
 - unneccessary `server` label in metrics

CONTRIBUTING.md

@@ -1,12 +1,12 @@
 # Contributing
 
-We use GitLab to manage reviews of pull requests.
+I use my own [Forgejo Instance](https://code.lila.network) to manage issues and pull requests.
 
 * If you have a trivial fix or improvement, go ahead and create a pull request,
   addressing (with `@...`) the maintainer of this repository (see
   [MAINTAINERS.md](MAINTAINERS.md)) in the description of the pull request.
 
-* If you plan to do something more involved, first please create [a new issue](https://gitlab.com/adoralaura/ntppool-exporter/-/issues/new).
+* If you plan to do something more involved, first please [send me a mail]( mailto:adora@lila.network?subject=%5Bntppool-exporter%5D).
 
 # What to contribute