add GitHub actions workflows and build docker image (#9)

* add default values for CLI args

* add development docker compose file

* prevent crash if userdata dir does not exist

* accounts, acccountStats

* account stats and create db indices

* compensations and daily runs

* ensure uniqueness of daily seed

* start on port 8001 by default for client parity

* add GitHub actions scripts and dockerfile

* add os architecture

* only build docker image on main repo

* add example compose file

Dockerfile

@@ -0,0 +1,29 @@
+ARG GO_VERSION=1.22
+
+FROM golang:${GO_VERSION} AS builder
+
+WORKDIR /src
+
+COPY ./go.mod /src/
+COPY ./go.sum /src/
+
+RUN go mod download && go mod verify
+
+COPY . /src/
+
+RUN CGO_ENABLED=0 \
+    go build -o rogueserver
+
+RUN chmod +x /src/rogueserver
+
+# ---------------------------------------------
+
+FROM scratch
+
+WORKDIR /app
+
+COPY --from=builder /src/rogueserver .
+
+EXPOSE 8001
+
+ENTRYPOINT ["./rogueserver"]