feat: Kiro API Proxy - OpenAI/Anthropic compatible API service

- Multi-account pool with round-robin load balancing
- Auto token refresh for IAM IdC and Social auth
- Streaming support (SSE)
- Web admin panel with account management
- Docker support with GitHub Actions CI/CD
- Machine ID management per account
- Usage tracking (requests, tokens, credits)

Dockerfile

@@ -0,0 +1,20 @@
+FROM golang:1.21-alpine AS builder
+
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux go build -o kiro-api-proxy .
+
+FROM alpine:latest
+RUN apk --no-cache add ca-certificates
+
+WORKDIR /app
+COPY --from=builder /app/kiro-api-proxy .
+COPY --from=builder /app/web ./web
+
+EXPOSE 8080
+VOLUME /app/data
+
+CMD ["./kiro-api-proxy"]