Reduce Transfer storage price to GHS 0.15 per GB per month.

Updates config default, env examples, and removes hardcoded GHS 1.00 copy on the dashboard.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Http/Controllers/Transfer/FilesController.php

@@ -31,7 +31,7 @@ class FilesController extends Controller
             'files' => $files,
             'storageBytes' => (int) $storageBytes,
             'storageGb' => round($storageBytes / (1024 * 1024 * 1024), 2),
-            'pricePerGb' => (float) config('transfer.price_per_gb_month', 1.0),
+            'pricePerGb' => (float) config('transfer.price_per_gb_month', 0.15),
         ]);
     }
 }

app/Http/Controllers/Transfer/OverviewController.php

@@ -61,7 +61,7 @@ class OverviewController extends Controller
         }
 
         $storageGb = round($storageBytes / (1024 * 1024 * 1024), 2);
-        $monthlyEstimateGhs = round($storageGb * (float) config('transfer.price_per_gb_month', 1.0), 2);
+        $monthlyEstimateGhs = round($storageGb * (float) config('transfer.price_per_gb_month', 0.15), 2);
 
         return view('transfer.dashboard', [
             'activeCount' => $activeCount,

app/Http/Controllers/Transfer/TransferController.php

@@ -42,7 +42,7 @@ class TransferController extends Controller
         return view('transfer.transfers.create', [
             'defaultRetentionDays' => (int) config('transfer.default_retention_days', 30),
             'maxFiles' => (int) config('transfer.max_files_per_transfer', 20),
-            'pricePerGb' => (float) config('transfer.price_per_gb_month', 1.0),
+            'pricePerGb' => (float) config('transfer.price_per_gb_month', 0.15),
         ]);
     }