Merge pull request #15 from strvcom/chore/codecov

docs: add badges

README.md

@@ -1,4 +1,9 @@
 # STRV logging
+
+![Latest release][release]
+[![codecov][codecov-img]][codecov]
+![GitHub][license]
+
 This repository contains wrappers and customisations of existing logging libraries.
 
 ## Available packages
@@ -29,3 +34,8 @@ func main() {
 Under the hood, `zap production config` is created based on the provided configuration. The resulting logger created from this config is returned.
 Instead of `ts` with the current timestamp, the logger has set `ts` field with UTC time encoded in `RFC3339`. 
 If an app is built with the `dev` build tag, the `CapitalColorLevelEncoder` is used. It's handy for development purposes to easily navigate in colorful log lines.
+
+[release]: https://img.shields.io/github/v/release/strvcom/strv-backend-go-logging
+[codecov]: https://codecov.io/gh/strvcom/strv-backend-go-logging
+[codecov-img]: https://codecov.io/gh/strvcom/strv-backend-go-logging/branch/master/graph/badge.svg?token=EKTUNEFK67
+[license]: https://img.shields.io/github/license/strvcom/strv-backend-go-logging