feat: Add WonderQ-MiniAPP Public API documentation

- Introduced a comprehensive API contract for the WonderQ-MiniAPP, detailing endpoints for site configuration, product listings, and lead submissions.
- Defined data types for various entities including HeroSlide, Destination, Theme, CtaBanner, PublicProduct, and more.
- Specified request and response formats, including error handling guidelines.

chore: Update requirements to include python-multipart

- Added python-multipart dependency to requirements.txt for handling file uploads.

test: Implement API contract tests

- Created test suite for API contracts, validating serializers and endpoints for public products and leads.
- Included tests for destination and product serializers, ensuring correct data handling and validation.

test: Add configuration tests for OSS settings

- Implemented tests to verify that OSS settings are correctly loaded from environment variables.

app/config.py

@@ -11,6 +11,10 @@ class Settings(BaseSettings):
     log_level: str = Field(default="info")
     port: int = Field(default=4000)
     cors_origins: str = Field(default="*")
+    oss_access_key_id: str | None = Field(default=None)
+    oss_access_key_secret: str | None = Field(default=None)
+    oss_endpoint: str | None = Field(default=None)
+    oss_bucket_name: str | None = Field(default=None)
 
     model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8", extra="ignore")