Updates

build/resources/main/schema.sql

@@ -0,0 +1,8 @@
+CREATE TABLE IF NOT EXISTS transactions (
+    id SERIAL PRIMARY KEY,
+    mpesa_reference VARCHAR(255),
+    checkout_request_id VARCHAR(255),
+    status VARCHAR(50),
+    amount DECIMAL(10,2),
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);