Added docker dev IP 172.18.0.1 to invalid IPs list

Author: victorybiz

README.md

@@ -50,7 +50,7 @@ Require the vendor autoload file in your php script.
     require_once 'path/to/vendor/autoload.php';
 ```
 ## Usage 
- Localhost IP `127.0.0.1`, `192.168.65.0` and `::1` will return `169.159.82.111` to assert a valid geo response.
+ Localhost IP `127.0.0.1`, `192.168.65.0`, `172.18.0.1` and `::1` will return `169.159.82.111` to assert a valid geo response.
 ```php
     use Victorybiz\GeoIPLocation\GeoIPLocation;
 

src/GeoIPLocation.php

@@ -31,7 +31,10 @@ class GeoIPLocation
     ];
 
     protected $invalidIps = [
-        '::1', '127.0.0.1', '192.168.65.0'
+        '::1', 
+        '127.0.0.1',
+        '192.168.65.0',
+        '172.18.0.1',
     ];
 
     protected $localhostIp = '169.159.82.111';