chore: Add script to publish from docker container

Author: i0n

scripts/docker-cargo-publish.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+# NOTE: Run from project root ./scripts/docker-cargo-publish.sh
+
+docker build -t graphcast-sdk-dev -f Dockerfile.dev .
+docker run --rm -e CARGO_REGISTRY_TOKEN=$CARGO_REGISTRY_TOKEN -v .:/app graphcast-sdk-dev cargo publish