feat: initial release v0.3.0

- Support 9 chart types: line, bar, pie, scatter, bubble, donut, mixed, polar, radar
- Multi-format output: ANSI, SVG, PNG, Markdown
- Go + Fiber + gonum/plot
- Docker support
- Morandi color palette

Dockerfile

@@ -0,0 +1,24 @@
+FROM golang:1.21-alpine AS builder
+
+WORKDIR /app
+
+RUN apk add --no-cache gcc musl-dev
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o server ./cmd/server
+
+FROM alpine:3.19
+
+RUN apk --no-cache add ca-certificates
+
+WORKDIR /app
+
+COPY --from=builder /app/server .
+
+EXPOSE 3100
+
+CMD ["./server"]