feat: add services

- Introduced Convex, an open-source reactive database, with README and environment variable configurations.
- Added Chinese translation for Convex documentation.
- Created docker-compose configuration for Convex services.
- Introduced llama-swap, a model swapping proxy for OpenAI/Anthropic compatible servers, with comprehensive README and example configuration.
- Added Chinese translation for llama-swap documentation.
- Included example environment file and docker-compose setup for llama-swap.
- Configured health checks and resource limits for both Convex and llama-swap services.

apps/opik/docker-compose.yaml

@@ -182,6 +182,7 @@ services:
   minio-init:
     <<: *defaults
     image: ${GLOBAL_REGISTRY:-}minio/mc:${MINIO_MC_VERSION:-RELEASE.2025-03-12T17-29-24Z}
+    restart: on-failure
     depends_on:
       minio:
         condition: service_healthy