Add .env file

Author: alexkart

.gitignore

@@ -1,3 +1,4 @@
 /vendor/
 /examples/looker_access_token.txt
 /.phpunit.result.cache
+/examples/.env

README.md

@@ -29,7 +29,8 @@ require_once('/path/to/looker-php-sdk-advanced/vendor/autoload.php');
 
 ## Getting Started
 
-See usage examples in the [**examples**](examples) folder.
+See usage examples in the [**examples**](examples) folder. These examples use Looker credentials 
+from the `.env` file, you can create it by copying `.env.example` file.
 
 ### Basic example
 In order to start interacting with the API you just need to instantiate Looker object and provide a

composer.json

@@ -20,6 +20,7 @@
         "alexkart/looker-php-sdk": "^0.1.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.5"
+        "phpunit/phpunit": "^9.5",
+        "vlucas/phpdotenv": "^5.4"
     }
 }