Adding harvester (#2596)

README.md

@@ -271,6 +271,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 * [gofigure](https://github.com/ian-kent/gofigure) - Go application configuration made easy.
 * [gone/jconf](https://github.com/One-com/gone/tree/master/jconf) - Modular JSON configuration. Keep you config structs along with the code they configure and delegate parsing to submodules without sacrificing full config serialization.
 * [gookit/config](https://github.com/gookit/config) - application config manage(load,get,set). support JSON, YAML, TOML, INI, HCL. multi file load, data override merge.
+* [harvester](https://github.com/beatlabs/harvester) - Harvester, a easy to use static and dynamic configuration package supportig seeding, env vars and Consul integration.
 * [hjson](https://github.com/hjson/hjson-go) - Human JSON, a configuration file format for humans. Relaxed syntax, fewer mistakes, more comments.
 * [ingo](https://github.com/schachmat/ingo) - Flags persisted in an ini-like config file.
 * [ini](https://github.com/go-ini/ini) - Go package to read and write INI files.