refactor: migrate all properties files to yaml

dap-gateway/src/main/resources/application-dev.yml

@@ -0,0 +1,31 @@
+# Dev 환경 전용 설정 (개발 서버 DB 연결 정보 등)
+# spring:
+#   datasource:
+#     url: jdbc:oracle:thin:@//dev-db-host:1521/XEPDB1
+#     driverClassName: oracle.jdbc.OracleDriver
+#     username: dev_user
+#     password: dev_password
+
+# OCI (Oracle Cloud) 개발 환경 라우팅
+mcp:
+  gateway:
+    fallback:
+      default-url: http://144.24.70.100:8284
+      routes:
+        sms: http://144.24.70.100:8282
+        email: http://144.24.70.100:8283
+        payment: http://144.24.70.100:8285
+        hr: http://144.24.70.100:8284
+
+# --- 신한라이프 EAI/MCI 연계 IP 정보 (개발 환경) ---
+shinhan:
+  integration:
+    envrTypeCd: D
+    eai:
+      url: http://10.176.32.181
+    internalMci:
+      url: http://10.176.32.173
+    bancaMci:
+      url: http://10.176.32.117
+    externalMci:
+      url: http://10.176.32.176