more platforms, update readme

README.md

@@ -12,6 +12,7 @@
 ```bash
 go get -u github.com/zricethezav/gitleaks
 ```
+Or download from release binaries [here](https://github.com/zricethezav/gitleaks/releases)
 
 #### Usage and Explanation
 

build.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-platforms=("windows/amd64" "windows/386" "darwin/amd64")
+platforms=("linux/amd64" "linux/arm" "linux/arm64" "linux/mips" "windows/amd64" "windows/386" "darwin/amd64")
 
 for platform in "${platforms[@]}"
 do