init: 提交 files 服务初始代码

Co-authored-by: Cursor <cursoragent@cursor.com>

etc/files_prod.yaml

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+Service: files
+Port: 12452
+SecretKey: ops-files
+
+Databases:
+  Driver: postgres
+  Source:
+    - host=8.137.107.29 user=postgres password=Weidong2023~! dbname=ops_dev port=19432 sslmode=disable TimeZone=Asia/Shanghai
+
+Cache: redis://null:Weidong2023~!@8.137.107.29:19379/
+
+MicroService:
+  Enable: false
+  Anonymous:
+    - files.ping.hello
+
+ServiceClients:
+  assets: ops-assets
+  dc-control: ops-dc-control
+  visual: ops-visual
+
+ObjectStorage:
+  Provider: aliyun
+  Endpoint: https://oss-cn-beijing.aliyuncs.com
+  Region: cn-beijing
+  Bucket: ops-app
+  PublicBaseURL: https://ops-app.oss-cn-beijing.aliyuncs.com
+  AccessKeyID: ${FILES_OSS_ACCESS_KEY_ID}
+  AccessKeySecret: ${FILES_OSS_ACCESS_KEY_SECRET}
+  PresignTTLSeconds: 600
+
+Namespaces:
+  reports:
+    Prefix: reports
+    MaxSizeMB: 512
+    AllowedExtensions: [.csv, .xlsx, .json, .pdf, .zip]
+  assets:
+    Prefix: assets
+    MaxSizeMB: 50
+    AllowedExtensions: [.png, .jpg, .jpeg, .webp, .gif, .svg, .pdf, .doc, .docx, .xls, .xlsx]
+  visual:
+    Prefix: visual
+    MaxSizeMB: 100
+    AllowedExtensions: [.png, .jpg, .jpeg, .webp, .gif, .svg, .json, .zip, .glb, .gltf]
+
+Cleanup:
+  IntervalSeconds: 600