add key for access laravel server.

modified readme to reflect what is needed for new users

config/database.php

@@ -16,7 +16,7 @@ return [
     |
     */
 
-    'default' => env('DB_CONNECTION', 'sqlite'),
+    'default' => env('DB_CONNECTION', 'pgsql'),
 
     /*
     |--------------------------------------------------------------------------
@@ -31,10 +31,10 @@ return [
 
     'connections' => [
 
-        'sqlite' => [
-            'driver' => 'sqlite',
+        'pgsql' => [
+            'driver' => 'pgsql',
             'url' => env('DB_URL'),
-            'database' => env('DB_DATABASE', database_path('database.sqlite')),
+            'database' => env('DB_DATABASE', database_path('database.pgsql')),
             'prefix' => '',
             'foreign_key_constraints' => env('DB_FOREIGN_KEYS', true),
             'busy_timeout' => null,

config/queue.php

@@ -99,7 +99,7 @@ return [
     */
 
     'batching' => [
-        'database' => env('DB_CONNECTION', 'sqlite'),
+        'database' => env('DB_CONNECTION', 'pgsql'),
         'table' => 'job_batches',
     ],
 
@@ -118,7 +118,7 @@ return [
 
     'failed' => [
         'driver' => env('QUEUE_FAILED_DRIVER', 'database-uuids'),
-        'database' => env('DB_CONNECTION', 'sqlite'),
+        'database' => env('DB_CONNECTION', 'pgsql'),
         'table' => 'failed_jobs',
     ],