Added CLI documentation

README.md

@@ -1,9 +1,52 @@
 # LeakIXClient
 
-This is a Go library making queries to LeakIX easier.
+This is a Go CLI & library making queries to LeakIX easier.
 
+## Command line usage
 
-## Usage
+```sh
+$ leakix -h
+Usage of leakix: 
+  ./leakix -q '*' -l 200
+
+  -l int
+        Limit results output, default to 100 (default 100)
+  -q string
+        Specify search query, default to * (default "*")
+  -s string
+        Specify scope, default to leak (default "leak")
+  -t string
+        Specify output template, default to "{{ .Ip }}:{{ .Port }}" (default "{{ .Ip }}:{{ .Port }}")
+
+$ leakix -l 2 -q "protocol:web AND plugin:GitConfigPlugin" -t "{{ .Ip }}:{{ .Port }} : {{ .Data }}"
+178.62.217.44:80 : Found git deployment configuration
+[core]
+	repositoryformatversion = 0
+	filemode = false
+	bare = false
+	logallrefupdates = true
+[remote "origin"]
+	url = https://gitlab.com/lyranalytics/lyra-website.git
+	fetch = +refs/heads/*:refs/remotes/origin/*
+[branch "abdulrahman"]
+	remote = origin
+	merge = refs/heads/abdulrahman
+
+2604:a880:800:a1::10f:1001:80 : Found git deployment configuration
+[core]
+	repositoryformatversion = 0
+	filemode = true
+	bare = false
+	logallrefupdates = true
+[remote "origin"]
+	url = https://github.com/mautic/mautic.git
+	fetch = +refs/heads/*:refs/remotes/origin/*
+[branch "staging"]
+	remote = origin
+	merge = refs/heads/staging
+```
+
+## Library usage
 
 ```golang
 package main