update README with install instructions

README.md

@@ -3,7 +3,18 @@ Helm chart releaser is a tool to help to host helm repository as GitHub page, wh
 a release asset and the index file is hosted on GitHub page. This tool is very similar to
 [helm chart releaser](https://github.com/helm/chart-releaser), but is simpler and works with private repos as well.
 
+## Download
+- [binary](https://github.com/pete911/hcr/releases)
+
 ## Install
+
+### Brew
+```
+add tap brew tap pete911/tap
+install brew install hcr
+```
+
+### Go
 ```
 git clone https://github.com/pete911/hcr.git
 cd hcr
@@ -42,3 +53,6 @@ This makes it simpler and easier than [helm chart releaser](https://github.com/h
 reading from GitHub pages (or downloading releases) over http, so we don't face issues with restrictions on private
 repositories (autogenerated pages link, authentication, ...), caching (GitHub pages are not updated immediately with
 the latest changes) etc.
+
+## Release
+Releases are published when the new tag is created e.g. git tag -m "add super cool feature" v0.0.1 && git push --follow-tags