feat(charge): payverse pg - 충전/검증 API 추가

src/main/resources/application.yml

@@ -13,6 +13,12 @@ weraser:
     apiUrl: ${WERASER_API_URL}
     apiKey: ${WERASER_API_KEY}
 
+payverse:
+    mid: ${PAYVERSE_MID}
+    clientKey: ${PAYVERSE_CLIENT_KEY}
+    secretKey: ${PAYVERSE_SECRET_KEY}
+    host: ${PAYVERSE_HOST}
+
 bootpay:
     applicationId: ${BOOTPAY_APPLICATION_ID}
     privateKey: ${BOOTPAY_PRIVATE_KEY}