chore: update README

README.md

@@ -1,8 +1,36 @@
-# UUID CLI 
+# UUID CLI
 
-A simple tool to generate uuid with a cli command
+A simple tool to generate uuid with a cli command.
 
+Generates a random (Version 4) UUID and prints to stdout.
+
+Underlying library: https://pkg.go.dev/github.com/google/uuid
 
 ## Installation
 
-_TODO_
+**1. Manually build**
+
+1. Clone the repo
+
+```git clone https://github.com/siripr4/uuid-cli.git```
+
+2. cd to the directory
+
+```cd uuid-cli```
+
+3. Build the go file
+
+```go build . -o uuid```
+
+4. Run the binary 
+
+```./uuid```
+
+5. Optionally, add the binary to your PATH to generate uuid from anywhere. Symlink the binary to `usr/local/bin`
+
+```sudo ln -s <absolute-path-to-binary> /usr/local/bin/uuid```
+
+**2. Install via homebrew**
+
+_TODO_
+