Update readmie with install steps and usage

Readme.md

@@ -4,16 +4,17 @@ A teminal UI to start individual services from docker-copose.yaml
 
 The `rc` looks for `docker-compose.yaml` or `docker-compose.yml`
 
-## Prerequisite
-
-Currently in order to install you need to have go.
-
 ## Install
 
-Clone the repo and execute the `make install` command.
+Homebrew:
 
-Or download the binary from the releases. The binary is for MacOS only.
+```sh
+brew install trusz/tap/rapid-compose
+```
 
 ## Usage
 
-Go into a folder where there is a `docker-compose` file and execute `rc`
+Go into a folder where there is a `docker-compose` file and execute `rc`
+
+By default, `rc` filters out every dependency services (`depends_on`) in order to show only the main ones.  
+However with the `-d` flag all services are shown.