feat: add sqlite-backed API docs and tests

Dockerfile

@@ -0,0 +1,15 @@
+FROM golang:1.24 AS build
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+RUN CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -o /out/work-queue-api ./cmd/work-queue-api
+
+FROM debian:bookworm-slim
+RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates && rm -rf /var/lib/apt/lists/*
+WORKDIR /app
+COPY --from=build /out/work-queue-api /usr/local/bin/work-queue-api
+EXPOSE 8080
+ENV PORT=8080
+ENV DATABASE_URL=/data/work_queue.db
+CMD ["/usr/local/bin/work-queue-api"]