fix(docs): fix homebrew tap installation guide

README.md

@@ -6,10 +6,16 @@ You can install the pre-compiled binary in several different ways.
 
 #### homebrew tap
 ```shell
-$ brew tap zackijack/go-project [email protected]:zackijack/homebrew-tap
+$ brew tap zackijack/tap
 $ brew install go-project
 ```
 
+or simply
+
+```shell
+$ brew install zackijack/tap/go-project
+```
+
 #### deb/rpm
 Download the `.deb` or `.rpm` from the [releases page](https://github.com/zackijack/go-project/releases) and install with `dpkg -i` and `rpm -i` respectively.