Add default config

Author: idmarinas

README.md

@@ -6,3 +6,16 @@ Show a Fund Drive Goal in your LoTGD server. Use `sonata_block_render_event('lot
 ```bash
 composer require lotgd-core/bundle-fund-drive
 ```
+
+# Default config
+```yaml
+lotgd_fund_drive:
+    # Monthly cost of LoTGD Server. This adds up to the final goal.
+    expenses: 0
+    # Goal amount of profit
+    profit: 50
+    # Deduct fees of PayPal from Goal
+    deduct_fees: true
+    # Currency usage for PayPal USD, EUR ...
+    paypal_currency: USD
+```