Add NPM package, debs, rpms and refactor CI/build process

Closes many issues that I'll prune after adding more docs
for users.

ci/release-container/push.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+main() {
+  cd "$(dirname "$0")/../.."
+  source ./ci/lib.sh
+  VERSION="$(pkg_json_version)"
+
+  if [[ ${CI-} ]]; then
+    echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
+  fi
+
+  imageTag="codercom/code-server:$VERSION"
+  if [[ $(arch) == "arm64" ]]; then
+    imageTag+="-arm64"
+  fi
+
+  docker build \
+    -t "$imageTag" \
+    -f ./ci/release-container/Dockerfile .
+  docker push "$imageTag"
+}
+
+main "$@"