Update README.md

README.md

@@ -2,3 +2,15 @@
 unhttpx is not a fast and multi-purpose HTTP toolkit that allows running multiple probes using the retryablehttp library. In fact, it does the exact opposite. 
 
 **TL;DR: turns a list of URLs into hostnames.**
+
+## Installation
+
+``` bash
+go install -v github.com/melvinsh/unhttpx@latest
+```
+
+## Usage
+
+``` bash
+cat urls.txt | unhttpx
+```