Initial commit: chaosmith-site with blog

Static landing page + markdown blog served by Go.
Goldmark renders posts in-memory, no database.
Dockerfile + compose for podman deployment.

👾 Generated with [Letta Code](https://letta.com)

Co-Authored-By: Letta Code <noreply@letta.com>

Dockerfile

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+FROM golang:1.26-alpine AS build
+WORKDIR /src
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+RUN go build -o /chaosmith-site .
+
+FROM alpine:3.21
+RUN apk add --no-cache ca-certificates
+WORKDIR /app
+COPY --from=build /chaosmith-site .
+COPY index.html ABSTRACTS.png ./
+COPY src/ ./src/
+EXPOSE 8000
+CMD ["./chaosmith-site"]