README: update SaaS badge

README.md

@@ -1,6 +1,6 @@
 # nvim-go
 
-[![CircleCI][circleci-badge]][circleci] [![codecov.io][codecov-badge]][codecov] [![godoc.org][godoc-badge]][godoc] [![Releases][release-badge]][release] [![GA][ga-badge]][ga]
+[![CircleCI][circleci-badge]][circleci] [![codecov.io][codecov-badge]][codecov] [![pkg.go.dev][pkg.go.dev-badge]][pkg.go.dev] [![Releases][release-badge]][release] [![GA][ga-badge]][ga]
 
 nvim-go is a Go development plugin for Neovim written in **pure** Go.
 
@@ -69,13 +69,13 @@ nvim-go is released under the BSD 3-Clause License.
 
 <!-- badge links -->
 [circleci]: https://app.circleci.com/pipelines/github/zchee/nvim-go
-[codecov]: https://codecov.io/gh/zchee/nvim-go/branch/master
-[godoc]: https://godoc.org/github.com/zchee/nvim-go
+[codecov]: https://codecov.io/gh/zchee/nvim-go/branch/main
+[pkg.go.dev]: https://pkg.go.dev/github.com/zchee/nvim-go
 [release]: https://github.com/zchee/nvim-go/releases
 [ga]: https://github.com/zchee/nvim-go
 
-[circleci-badge]: https://img.shields.io/circleci/build/github/zchee/nvim-go/master.svg?logo=circleci&label=circleci&style=for-the-badge&cacheSeconds=60
-[codecov-badge]: https://img.shields.io/codecov/c/github/zchee/nvim-go/master?logo=codecov&style=for-the-badge&cacheSeconds=60
-[godoc-badge]: https://img.shields.io/badge/godoc-reference-4F73B3.svg?label=godoc&style=for-the-badge&logoWidth=25&logo=data%3Aimage%2Fsvg%2Bxml%3Bcharset%3Dutf-8%3Bbase64%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
+[circleci-badge]: https://img.shields.io/circleci/build/github/zchee/nvim-go/main.svg?logo=circleci&label=circleci&style=for-the-badge
+[codecov-badge]: https://img.shields.io/codecov/c/github/zchee/nvim-go/main?logo=codecov&style=for-the-badge
+[pkg.go.dev-badge]: https://bit.ly/pkg-go-dev-badge
 [release-badge]: https://img.shields.io/github/release/zchee/nvim-go.svg?style=for-the-badge
 [ga-badge]: https://gh-ga-beacon.appspot.com/UA-89201129-1/zchee/nvim-go?flat&useReferer&pixel