Add account creation endpoint and dynamic REST client environment config

bank_account.http

@@ -1,9 +1,57 @@
-POST /api/bank-account/update/2 HTTP/1.1
+@baseUrl = {{baseUrl}}
+@host = {{host}}
+@port = {{port}}
+
+# Bank Account API Testing
+
+### Get all accounts
+GET {{baseUrl}}/accounts
+Accept: application/json
+
+### Get a specific account
+GET {{baseUrl}}/accounts/1
+Accept: application/json
+
+### Get transactions for an account
+GET {{baseUrl}}/accounts/1/transactions
+Accept: application/json
+
+### Create a new account
+POST {{baseUrl}}/accounts
 Content-Type: application/json
-Host: europa:3050
-Content-Length: 85
 
-{"name": "BofA Joint Checking","bankName": "Bank of America","accountNumber": "4581"}
+{
+  "name": "BofA Joint Checking",
+  "bankName": "Bank of America",
+  "accountNumber": "4581",
+  "balance": 1500,
+  "type": "CHECKING",
+  "status": "ACTIVE"
+}
 
-###
+### Create a new transaction
+POST {{baseUrl}}/transactions
+Content-Type: application/json
+
+{
+  "accountId": "1",
+  "date": "2025-05-06",
+  "description": "Coffee Shop",
+  "amount": -12.50,
+  "category": "Food & Dining",
+  "type": "WITHDRAWAL"
+}
+
+### Update a transaction
+PUT {{baseUrl}}/transactions/1
+Content-Type: application/json
+
+{
+  "description": "Updated Coffee Purchase",
+  "amount": -15.75,
+  "category": "Food & Dining"
+}
+
+### Delete a transaction
+DELETE {{baseUrl}}/transactions/1